Best JavaScript code snippet using testcafe
index.js
Source:index.js  
...3891        var startPosition = null;3892        var endPosition = null;3893        if (domUtils$8.isSelectElement(element))3894            selectElement.switchOptionsByKeys(element, 'left');3895        if (isRadioButtonNavigationRequired(element))3896            return focusAndCheckNextRadioButton(element, true);3897        if (domUtils$8.isTextEditableElement(element)) {3898            startPosition = textSelection$2.getSelectionStart(element) || 0;3899            endPosition = textSelection$2.getSelectionEnd(element);3900            var newPosition = startPosition === endPosition ? startPosition - 1 : startPosition;3901            textSelection$2.select(element, newPosition, newPosition);3902            updateTextAreaIndent(element);3903        }3904        if (domUtils$8.isContentEditableElement(element)) {3905            startPosition = textSelection$2.getSelectionStart(element);3906            endPosition = textSelection$2.getSelectionEnd(element);3907            // NOTE: we only remove selection3908            if (startPosition !== endPosition) {3909                var selection = textSelection$2.getSelectionByElement(element);3910                var inverseSelection = textSelection$2.hasInverseSelectionContentEditable(element);3911                var startNode = inverseSelection ? selection.focusNode : selection.anchorNode;3912                var startOffset = inverseSelection ? selection.focusOffset : selection.anchorOffset;3913                var startPos = { node: startNode, offset: startOffset };3914                textSelection$2.selectByNodesAndOffsets(startPos, startPos, true);3915            }3916        }3917        return Promise$9.resolve();3918    }3919    function right(element) {3920        var startPosition = null;3921        var endPosition = null;3922        if (domUtils$8.isSelectElement(element))3923            selectElement.switchOptionsByKeys(element, 'right');3924        if (isRadioButtonNavigationRequired(element))3925            return focusAndCheckNextRadioButton(element, false);3926        if (domUtils$8.isTextEditableElement(element)) {3927            startPosition = textSelection$2.getSelectionStart(element);3928            endPosition = textSelection$2.getSelectionEnd(element);3929            var newPosition = startPosition === endPosition ? endPosition + 1 : endPosition;3930            if (startPosition === domUtils$8.getElementValue(element).length)3931                newPosition = startPosition;3932            textSelection$2.select(element, newPosition, newPosition);3933            updateTextAreaIndent(element);3934        }3935        if (domUtils$8.isContentEditableElement(element)) {3936            startPosition = textSelection$2.getSelectionStart(element);3937            endPosition = textSelection$2.getSelectionEnd(element);3938            //NOTE: we only remove selection3939            if (startPosition !== endPosition) {3940                var selection = textSelection$2.getSelectionByElement(element);3941                var inverseSelection = textSelection$2.hasInverseSelectionContentEditable(element);3942                var endNode = inverseSelection ? selection.anchorNode : selection.focusNode;3943                var endOffset = inverseSelection ? selection.anchorOffset : selection.focusOffset;3944                var startPos = { node: endNode, offset: endOffset };3945                textSelection$2.selectByNodesAndOffsets(startPos, startPos, true);3946            }3947        }3948        return Promise$9.resolve();3949    }3950    function up(element) {3951        if (domUtils$8.isSelectElement(element))3952            selectElement.switchOptionsByKeys(element, 'up');3953        if (isRadioButtonNavigationRequired(element))3954            return focusAndCheckNextRadioButton(element, true);3955        if (browserUtils$b.isWebKit && domUtils$8.isInputElement(element))3956            return home(element);3957        if (domUtils$8.isTextAreaElement(element))3958            moveTextAreaCursorUp(element, false);3959        return Promise$9.resolve();3960    }3961    function down(element) {3962        if (domUtils$8.isSelectElement(element))3963            selectElement.switchOptionsByKeys(element, 'down');3964        if (isRadioButtonNavigationRequired(element))3965            return focusAndCheckNextRadioButton(element, false);3966        if (browserUtils$b.isWebKit && domUtils$8.isInputElement(element))3967            return end(element);3968        if (domUtils$8.isTextAreaElement(element))3969            moveTextAreaCursorDown(element, false);3970        return Promise$9.resolve();3971    }3972    function home(element, withSelection) {3973        if (domUtils$8.isTextEditableElement(element)) {3974            var startPos = textSelection$2.getSelectionStart(element);3975            var endPos = textSelection$2.getSelectionEnd(element);3976            var inverseSelection = textSelection$2.hasInverseSelection(element);3977            var referencePosition = null;3978            var isSingleLineSelection = !domUtils$8.isTextAreaElement(element) ? true :3979                domUtils$8.getTextareaLineNumberByPosition(element, startPos) ===3980                    domUtils$8.getTextareaLineNumberByPosition(element, endPos);3981            if (isSingleLineSelection)3982                referencePosition = inverseSelection ? endPos : startPos;3983            else3984                referencePosition = inverseSelection ? startPos : endPos;3985            var valueBeforeCursor = domUtils$8.getElementValue(element).substring(0, referencePosition);3986            var lastLineBreakIndex = valueBeforeCursor.lastIndexOf('\n');3987            var newPosition = lastLineBreakIndex === -1 ? 0 : lastLineBreakIndex + 1;3988            var newStartPos = null;3989            var newEndPos = null;3990            if (isSingleLineSelection) {3991                newStartPos = newPosition;3992                newEndPos = withSelection ? referencePosition : newPosition;3993                textSelection$2.select(element, newEndPos, newStartPos);3994            }3995            else if (!inverseSelection)3996                textSelection$2.select(element, startPos, newPosition);3997            else3998                textSelection$2.select(element, endPos, newPosition);3999        }4000        return Promise$9.resolve();4001    }4002    function end(element, withSelection) {4003        if (domUtils$8.isTextEditableElement(element)) {4004            var startPos = textSelection$2.getSelectionStart(element);4005            var endPos = textSelection$2.getSelectionEnd(element);4006            var inverseSelection = textSelection$2.hasInverseSelection(element);4007            var referencePosition = null;4008            var isSingleLineSelection = !domUtils$8.isTextAreaElement(element) ? true :4009                domUtils$8.getTextareaLineNumberByPosition(element, startPos) ===4010                    domUtils$8.getTextareaLineNumberByPosition(element, endPos);4011            if (isSingleLineSelection)4012                referencePosition = inverseSelection ? endPos : startPos;4013            else4014                referencePosition = inverseSelection ? startPos : endPos;4015            var valueAsterCursor = domUtils$8.getElementValue(element).substring(referencePosition);4016            var firstLineBreakIndex = valueAsterCursor.indexOf('\n');4017            var newPosition = referencePosition;4018            var newStartPos = null;4019            var newEndPos = null;4020            newPosition += firstLineBreakIndex === -1 ? valueAsterCursor.length : firstLineBreakIndex;4021            if (isSingleLineSelection) {4022                newStartPos = withSelection ? referencePosition : newPosition;4023                newEndPos = newPosition;4024                textSelection$2.select(element, newStartPos, newEndPos);4025            }4026            else if (!inverseSelection)4027                textSelection$2.select(element, startPos, newPosition);4028            else4029                textSelection$2.select(element, endPos, newPosition);4030        }4031        return Promise$9.resolve();4032    }4033    function esc(element) {4034        if (domUtils$8.isSelectElement(element))4035            selectElement.collapseOptionList();4036        return Promise$9.resolve();4037    }4038    function shiftUp(element) {4039        if (browserUtils$b.isWebKit && domUtils$8.isInputElement(element))4040            return shiftHome(element);4041        if (domUtils$8.isTextAreaElement(element))4042            moveTextAreaCursorUp(element, true);4043        return Promise$9.resolve();4044    }4045    function shiftDown(element) {4046        if (browserUtils$b.isWebKit && domUtils$8.isInputElement(element))4047            return shiftEnd(element);4048        if (domUtils$8.isTextAreaElement(element))4049            moveTextAreaCursorDown(element, true);4050        return Promise$9.resolve();4051    }4052    function shiftLeft(element) {4053        if (domUtils$8.isTextEditableElement(element)) {4054            var startPos = textSelection$2.getSelectionStart(element);4055            var endPos = textSelection$2.getSelectionEnd(element);4056            if (startPos === endPos || textSelection$2.hasInverseSelection(element))4057                textSelection$2.select(element, endPos, Math.max(startPos - 1, 0));4058            else4059                textSelection$2.select(element, startPos, Math.max(endPos - 1, 0));4060            updateTextAreaIndent(element);4061        }4062        return Promise$9.resolve();4063    }4064    function shiftRight(element) {4065        if (domUtils$8.isTextEditableElement(element)) {4066            var startPos = textSelection$2.getSelectionStart(element);4067            var endPos = textSelection$2.getSelectionEnd(element);4068            var valueLength = domUtils$8.getElementValue(element).length;4069            if (startPos === endPos || !textSelection$2.hasInverseSelection(element))4070                textSelection$2.select(element, startPos, Math.min(endPos + 1, valueLength));4071            else4072                textSelection$2.select(element, endPos, Math.min(startPos + 1, valueLength));4073            updateTextAreaIndent(element);4074        }4075        return Promise$9.resolve();4076    }4077    function shiftHome(element) {4078        return home(element, true);4079    }4080    function shiftEnd(element) {4081        return end(element, true);4082    }4083    function enter(element) {4084        if (domUtils$8.isSelectElement(element))4085            selectElement.collapseOptionList();4086        //submit form on enter pressed4087        if (domUtils$8.isInputElement(element)) {4088            if (!browserUtils$b.isIE)4089                elementEditingWatcher.processElementChanging(element);4090            var form = domUtils$8.getParents(element, 'form')[0];4091            // NOTE: if a user presses enter when a form input is focused and the form has4092            // a submit button, the browser sends the click event to the submit button4093            if (form)4094                submitFormOnEnterPressInInput(form, element);4095        }4096        else if (domUtils$8.isTextAreaElement(element)) {4097            var startPos = textSelection$2.getSelectionStart(element);4098            var value = domUtils$8.getTextAreaValue(element);4099            var valueBeforeCursor = value.substring(0, startPos);4100            var valueAfterCursor = value.substring(startPos);4101            var newPosition = startPos + 1;4102            setElementValue(element, valueBeforeCursor + String.fromCharCode(10) + valueAfterCursor, newPosition);4103        }4104        //S1731204105        else if (element.tagName && domUtils$8.isAnchorElement(element))4106            eventSimulator$b.click(element);4107        return Promise$9.resolve();4108    }4109    function isRadioButtonNavigationRequired(element) {4110        return domUtils$8.isRadioButtonElement(element) && !browserUtils$b.isFirefox;4111    }4112    function focusAndCheckNextRadioButton(element, reverse) {4113        return focusNextElementOnNavigationButton(element, reverse, false)4114            .then(function (focusedElement) {4115            if (focusedElement)4116                focusedElement.checked = true;4117        });4118    }4119    function focusNextElementOnNavigationButton(element, reverse, skipRadioGroups) {4120        if (skipRadioGroups === void 0) { skipRadioGroups = true; }4121        if (!element)4122            return Promise$9.resolve();4123        if (domUtils$8.isSelectElement(element))...shortcuts.js
Source:shortcuts.js  
...180    let startPosition = null;181    let endPosition   = null;182    if (domUtils.isSelectElement(element))183        selectElement.switchOptionsByKeys(element, 'left');184    if (isRadioButtonNavigationRequired(element))185        return focusAndCheckNextRadioButton(element, true);186    if (domUtils.isTextEditableElement(element)) {187        startPosition = textSelection.getSelectionStart(element) || 0;188        endPosition   = textSelection.getSelectionEnd(element);189        const newPosition = startPosition === endPosition ? startPosition - 1 : startPosition;190        textSelection.select(element, newPosition, newPosition);191        updateTextAreaIndent(element);192    }193    if (domUtils.isContentEditableElement(element)) {194        startPosition = textSelection.getSelectionStart(element);195        endPosition   = textSelection.getSelectionEnd(element);196        // NOTE: we only remove selection197        if (startPosition !== endPosition) {198            const selection        = textSelection.getSelectionByElement(element);199            const inverseSelection = textSelection.hasInverseSelectionContentEditable(element);200            const startNode        = inverseSelection ? selection.focusNode : selection.anchorNode;201            const startOffset      = inverseSelection ? selection.focusOffset : selection.anchorOffset;202            const startPos         = { node: startNode, offset: startOffset };203            textSelection.selectByNodesAndOffsets(startPos, startPos, true);204        }205    }206    return Promise.resolve();207}208function right (element) {209    let startPosition = null;210    let endPosition   = null;211    if (domUtils.isSelectElement(element))212        selectElement.switchOptionsByKeys(element, 'right');213    if (isRadioButtonNavigationRequired(element))214        return focusAndCheckNextRadioButton(element, false);215    if (domUtils.isTextEditableElement(element)) {216        startPosition = textSelection.getSelectionStart(element);217        endPosition   = textSelection.getSelectionEnd(element);218        let newPosition = startPosition === endPosition ? endPosition + 1 : endPosition;219        if (startPosition === domUtils.getElementValue(element).length)220            newPosition = startPosition;221        textSelection.select(element, newPosition, newPosition);222        updateTextAreaIndent(element);223    }224    if (domUtils.isContentEditableElement(element)) {225        startPosition = textSelection.getSelectionStart(element);226        endPosition   = textSelection.getSelectionEnd(element);227        //NOTE: we only remove selection228        if (startPosition !== endPosition) {229            const selection        = textSelection.getSelectionByElement(element);230            const inverseSelection = textSelection.hasInverseSelectionContentEditable(element);231            const endNode          = inverseSelection ? selection.anchorNode : selection.focusNode;232            const endOffset        = inverseSelection ? selection.anchorOffset : selection.focusOffset;233            const startPos         = { node: endNode, offset: endOffset };234            textSelection.selectByNodesAndOffsets(startPos, startPos, true);235        }236    }237    return Promise.resolve();238}239function up (element) {240    if (domUtils.isSelectElement(element))241        selectElement.switchOptionsByKeys(element, 'up');242    if (isRadioButtonNavigationRequired(element))243        return focusAndCheckNextRadioButton(element, true);244    if (browserUtils.isWebKit && domUtils.isInputElement(element))245        return home(element);246    if (domUtils.isTextAreaElement(element))247        moveTextAreaCursorUp(element, false);248    return Promise.resolve();249}250function down (element) {251    if (domUtils.isSelectElement(element))252        selectElement.switchOptionsByKeys(element, 'down');253    if (isRadioButtonNavigationRequired(element))254        return focusAndCheckNextRadioButton(element, false);255    if (browserUtils.isWebKit && domUtils.isInputElement(element))256        return end(element);257    if (domUtils.isTextAreaElement(element))258        moveTextAreaCursorDown(element, false);259    return Promise.resolve();260}261function home (element, withSelection) {262    if (domUtils.isTextEditableElement(element)) {263        const startPos          = textSelection.getSelectionStart(element);264        const endPos            = textSelection.getSelectionEnd(element);265        const inverseSelection  = textSelection.hasInverseSelection(element);266        let referencePosition = null;267        const isSingleLineSelection = !domUtils.isTextAreaElement(element) ? true :...Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#windows')5        .click('#submit-button');6});7const windowsRadioButton = Selector('#windows');8test('My second test', async t => {9        .click(windowsRadioButton);Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#macos')5        .click('#submit-button');6});7test('My second test', async t => {8    const nameInput = Selector('#developer-name');9    const submitButton = Selector('#submit-button');10        .typeText(nameInput, 'John Smith')11        .click('#macos')12        .click(submitButton);13});14import { Selector } from 'testcafe';15test('My first test', async t => {16        .typeText('#developer-name', 'John Smith')17        .click('#macos')18        .click('#submit-button');19});20test('My second test', async t => {21    const nameInput = Selector('#developer-name');22    const submitButton = Selector('#submit-button');23        .typeText(nameInput, 'John Smith')24        .click('#macos')25        .click(submitButton);26});Using AI Code Generation
1import { Selector, t } from 'testcafe';2test('My first test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#macos')5        .click('#submit-button');6    const articleHeader = await Selector('.result-content').find('h1');7    let headerText = await articleHeader.innerText;8});9import { Selector, t } from 'testcafe';10test('My first test', async t => {11        .typeText('#developer-name', 'John Smith')12        .click('#macos')13        .click('#submit-button');14    const articleHeader = await Selector('.result-content').find('h1');15    let headerText = await articleHeader.innerText;16});17import { Selector, t } from 'testcafe';18test('My first test', async t => {19        .typeText('#developer-name', 'John Smith')20        .click('#macos')21        .click('#submit-button');22    const articleHeader = await Selector('.result-content').find('h1');23    let headerText = await articleHeader.innerText;24});25import { Selector, t } from 'testcafe';26test('My first test', async t => {27        .typeText('#developer-name', 'John Smith')28        .click('#macos')29        .click('#submit-button');30    const articleHeader = await Selector('.result-content').find('h1');Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3});4const isRadioButtonNavigationRequired = ClientFunction(() => {5    return !document.activeElement.matches('input[type=radio]');6});7test('My first test', async t => {8        .click('#populate')9        .click('#submit-button');10    if (await isRadioButtonNavigationRequired()) {11        await t.click('#linux');12    }13});Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3    .typeText('#developer-name', 'John Smith')4    .click('#windows')5    .click('#submit-button');6});Using AI Code Generation
1import { Selector, t } from 'testcafe';2fixture('My Fixture')3test('My Test', async t => {4        .click('#tried-test-cafe')5        .click('#macos')6        .click('#submit-button')7        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');8});9import { Selector, t } from 'testcafe';10fixture('My Fixture')11test('My Test', async t => {12        .click('#tried-test-cafe')13        .click('#macos')14        .click('#submit-button')15        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');16});17import { Selector, t } from 'testcafe';18fixture('My Fixture')19test('My Test', async t => {20        .click('#tried-test-cafe')21        .click('#macos')22        .click('#submit-button')23        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');24});25import { Selector, t } from 'testcafe';26fixture('My Fixture')27test('My Test', async t => {28        .click('#tried-test-cafe')29        .click('#macos')30        .click('#submit-button')31        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');32});33import { Selector, t } from 'testcafe';34fixture('My Fixture')35test('My Test', async t => {36        .click('#tried-test-caUsing AI Code Generation
1import { Selector } from 'testcafe';2test('RadioButtonNavigation', async t => {3    const windowsRadioButton = Selector('label').withText('Windows');4    const macOSRadioButton = Selector('label').withText('MacOS');5    const linuxRadioButton = Selector('label').withText('Linux');6        .click(windowsRadioButton)7        .expect(windowsRadioButton.checked).ok()8        .click(macOSRadioButton)9        .expect(macOSRadioButton.checked).ok()10        .click(linuxRadioButton)11        .expect(linuxRadioButton.checked).ok()12        .expect(windowsRadioButton.checked).notOk()13        .expect(macOSRadioButton.checked).notOk();14});15import { Selector } from 'testcafe';16test('RadioButtonNavigation', async t => {17    const windowsRadioButton = Selector('label').withText('Windows');18    const macOSRadioButton = Selector('label').withText('MacOS');19    const linuxRadioButton = Selector('label').withText('Linux');20        .click(windowsRadioButton)21        .expect(windowsRadioButton.checked).ok()22        .click(macOSRadioButton)23        .expect(macOSRadioButton.checked).ok()24        .click(linuxRadioButton)25        .expect(linuxRadioButton.checked).ok()26        .expect(windowsRadioButton.checked).notOk()27        .expect(macOSRadioButton.checked).notOk();28});29import { Selector } from 'testcafe';30test('RadioButtonNavigation', async t => {31    const windowsRadioButton = Selector('label').withText('Windows');32    const macOSRadioButton = Selector('label').withText('MacOS');33    const linuxRadioButton = Selector('label').withText('Linux');34        .click(windowsRadioButton)35        .expect(windowsRadioButton.checked).ok()36        .click(macOSRadioButton)37        .expect(macOSRadioButton.checked).ok()38        .click(linuxRadioButton)39        .expect(linuxUsing AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3});4const isRadioButtonNavigationRequired = ClientFunction(() => {5    return !document.activeElement.matches('input[type=radio]');6});7test('My first test', async t => {8        .click('#populate')9        .click('#submit-button');10    if (await isRadioButtonNavigationRequired()) {11        await t.click('#linux');12    }13});Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3    .typeText('#developer-name', 'John Smith')4    .click('#windows')5    .click('#submit-button');6});Using AI Code Generation
1import { Selector, t } from 'testcafe';2fixture('My Fixture')3test('My Test', async t => {4        .click('#tried-test-cafe')5        .click('#macos')6        .click('#submit-button')7        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');8});9import { Selector, t } from 'testcafe';10fixture('My Fixture')11test('My Test', async t => {12        .click('#tried-test-cafe')13        .click('#macos')14        .click('#submit-button')15        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');16});17import { Selector, t } from 'testcafe';18fixture('My Fixture')19test('My Test', async t => {20        .click('#tried-test-cafe')21        .click('#macos')22        .click('#submit-button')23        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');24});25import { Selector, t } from 'testcafe';26fixture('My Fixture')27test('My Test', async t => {28        .click('#tried-test-cafe')29        .click('#macos')30        .click('#submit-button')31        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');32});33import { Selector, t } from 'testcafe';34fixture('My Fixture')35test('My Test', async t => {36        .click('#tried-test-caUsing AI Code Generation
1import {Selector} from 'testcafe';2test('My first test', async t => {3    const osName = await Selector('input[type=radio]').filterVisible().nth(0).value;4    const isRadioButtonNavigationRequired = await Selector('input[type=radio]').filterVisible().nth(0).isRadioButtonNavigationRequired;5        .click('#populate')6        .click('#submit-button')7        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');8});9isFocused() → Promise<boolean>10import {Selector} from 'testcafe';11test('My first test', async t => {12    const isFocused = await Selector('#developer-name').isFocused();13        .click('#populate')14        .click('#submit-button')15        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');16});17isMultiple() → Promise<boolean>18import {Selector} from 'testcafe';19test('My first test', async t => {Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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