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How to use getInstIfValueChanged method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ChangeEventPlugin.js
Source:ChangeEventPlugin.js 
...42 }43 function runEventInBatch(dispatchQueue) {44 processDispatchQueue(dispatchQueue, 0);45 }46 function getInstIfValueChanged(targetInst) {47 var targetNode = getNodeFromInstance(targetInst);48 if (updateValueIfChanged(targetNode)) {49 return targetInst;50 }51 }52 function getTargetInstForChangeEvent(domEventName, targetInst) {53 if (domEventName === 'change') {54 return targetInst;55 }56 }57 /**58 * SECTION: handle `input` event59 */60 var isInputEventSupported = false;61 if (canUseDOM) {62 // IE9 claims to support the input event but fails to trigger it when63 // deleting text, so we ignore its input events.64 isInputEventSupported = isEventSupported('input') && (!document.documentMode || document.documentMode > 9);65 }66 /**67 * (For IE <=9) Starts tracking propertychange events on the passed-in element68 * and override the value property so that we can distinguish user events from69 * value changes in JS.70 */71 function startWatchingForValueChange(target, targetInst) {72 activeElement = target;73 activeElementInst = targetInst;74 activeElement.attachEvent('onpropertychange', handlePropertyChange);75 }76 /**77 * (For IE <=9) Removes the event listeners from the currently-tracked element,78 * if any exists.79 */80 function stopWatchingForValueChange() {81 if (!activeElement) {82 return;83 }84 activeElement.detachEvent('onpropertychange', handlePropertyChange);85 activeElement = null;86 activeElementInst = null;87 }88 /**89 * (For IE <=9) Handles a propertychange event, sending a `change` event if90 * the value of the active element has changed.91 */92 function handlePropertyChange(nativeEvent) {93 if (nativeEvent.propertyName !== 'value') {94 return;95 }96 if (getInstIfValueChanged(activeElementInst)) {97 manualDispatchChangeEvent(nativeEvent);98 }99 }100 function handleEventsForInputEventPolyfill(domEventName, target, targetInst) {101 if (domEventName === 'focusin') {102 // In IE9, propertychange fires for most input events but is buggy and103 // doesn't fire when text is deleted, but conveniently, selectionchange104 // appears to fire in all of the remaining cases so we catch those and105 // forward the event if the value has changed106 // In either case, we don't want to call the event handler if the value107 // is changed from JS so we redefine a setter for `.value` that updates108 // our activeElementValue variable, allowing us to ignore those changes109 //110 // stopWatching() should be a noop here but we call it just in case we111 // missed a blur event somehow.112 stopWatchingForValueChange();113 startWatchingForValueChange(target, targetInst);114 } else if (domEventName === 'focusout') {115 stopWatchingForValueChange();116 }117 } // For IE8 and IE9.118 function getTargetInstForInputEventPolyfill(domEventName, targetInst) {119 if (domEventName === 'selectionchange' || domEventName === 'keyup' || domEventName === 'keydown') {120 // On the selectionchange event, the target is just document which isn't121 // helpful for us so just check activeElement instead.122 //123 // 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire124 // propertychange on the first input event after setting `value` from a125 // script and fires only keydown, keypress, keyup. Catching keyup usually126 // gets it and catching keydown lets us fire an event for the first127 // keystroke if user does a key repeat (it'll be a little delayed: right128 // before the second keystroke). Other input methods (e.g., paste) seem to129 // fire selectionchange normally.130 return getInstIfValueChanged(activeElementInst);131 }132 }133 /**134 * SECTION: handle `click` event135 */136 function shouldUseClickEvent(elem) {137 // Use the `click` event to detect changes to checkbox and radio inputs.138 // This approach works across all browsers, whereas `change` does not fire139 // until `blur` in IE8.140 var nodeName = elem.nodeName;141 return nodeName && nodeName.toLowerCase() === 'input' && (elem.type === 'checkbox' || elem.type === 'radio');142 }143 function getTargetInstForClickEvent(domEventName, targetInst) {144 if (domEventName === 'click') {145 return getInstIfValueChanged(targetInst);146 }147 }148 function getTargetInstForInputOrChangeEvent(domEventName, targetInst) {149 if (domEventName === 'input' || domEventName === 'change') {150 return getInstIfValueChanged(targetInst);151 }152 }153 function handleControlledInputBlur(node) {154 var state = node._wrapperState;155 if (!state || !state.controlled || node.type !== 'number') {156 return;157 }158 {159 // If controlled, assign the value attribute to the current value on blur160 setDefaultValue(node, 'number', node.value);161 }162 }163 /**164 * This plugin creates an `onChange` event that normalizes change events...
Using AI Code Generation
1const { chromium } = require('playwright');2const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 await page.screenshot({ path: `example.png` });7 await browser.close();8})();9const { chromium } = require('playwright');10const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');11(async () => {12 const browser = await chromium.launch();13 const page = await browser.newPage();14 await page.screenshot({ path: `example.png` });15 await browser.close();16})();17const { chromium } = require('playwright');18const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');19(async () => {20 const browser = await chromium.launch();21 const page = await browser.newPage();22 await page.screenshot({ path: `example.png` });23 await browser.close();24})();25const { chromium } = require('playwright');26const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');27(async () => {28 const browser = await chromium.launch();29 const page = await browser.newPage();30 await page.screenshot({ path: `example.png` });31 await browser.close();32})();33const { chromium } = require('playwright');34const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');35(async () => {
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright-core/lib/server/instrumentation');2const { Page } = require('playwright-core/lib/server/page');3const { ElementHandle } = require('playwright-core/lib/server/dom');4const page = new Page();5const elementHandle = new ElementHandle(page, 'elementHandle', 'elementHandle');6const getInstIfValueChangedInst = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');7const getInstIfValueChangedInst2 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');8const getInstIfValueChangedInst3 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');9const getInstIfValueChangedInst4 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');10const getInstIfValueChangedInst5 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');11const getInstIfValueChangedInst6 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');12const getInstIfValueChangedInst7 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');13const getInstIfValueChangedInst8 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');14const getInstIfValueChangedInst9 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');15const getInstIfValueChangedInst10 = getInstIfValueChanged.call(page, elementHandle, 'elementHandle', 'elementHandle');
Using AI Code Generation
1const browser = await chromium.launch();2const context = await browser.newContext();3const page = await context.newPage();4const element = await page.$('text=Docs');5const value = await element.innerText();6const changedElement = await element.getInstIfValueChanged(value);7if (changedElement) {8 await changedElement.click();9}10await browser.close();
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 2const { Page } = require('playwright/lib/server/page');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { Browser } = require('playwright/lib/server/browser');5const { Chromium } = require('playwright/lib/server/chromium');6const { Electron } = require('playwright/lib/server/electron');7const { FirefoxBrowser } = require('playwright/lib/server/firefox');8const { WebKit } = require('playwright/lib/server/webkit');9const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 10const { Page } = require('playwright/lib/server/page');11const { BrowserContext } = require('playwright/lib/server/browserContext');12const { Browser } = require('playwright/lib/server/browser');13const { Chromium } = require('playwright/lib/server/chromium');14const { Electron } = require('playwright/lib/server/electron');15const { FirefoxBrowser } = require('playwright/lib/server/firefox');16const { WebKit } = require('playwright/lib/server/webkit');17const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 18const { Page } = require('playwright/lib/server/page');19const { BrowserContext } = require('playwright/lib/server/browserContext');20const { Browser } = require('playwright/lib/server/browser');21const { Chromium } = require('playwright/lib/server/chromium');22const { Electron } = require('playwright/lib/server/electron');23const { FirefoxBrowser } = require('playwright/lib/server/firefox');24const { WebKit } = require('playwright/lib/server/webkit');25const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation'); 26const { Page } = require('playwright/lib/server/page');27const { BrowserContext } = require('playwright/lib/server/browserContext');28const { Browser } = require('playwright/lib/server/browser');29const { Chromium } = require('playwright/lib/server/chromium');30const { Electron } = require('playwright/lib/server/electron');31const { Firefo
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright/lib/server/injected/injectedScriptSource');2const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;3const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;4const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;5const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;6const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;7const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;8const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;9const getInstIfValueChanged = require('playwright/lib/server/injected/injectedScriptSource').getInstIfValueChanged;10const getInstIfValueChanged = require('playwright/lib/server/injected
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');2const { chromium } = require('playwright');3const fs = require('fs');4const path = require('path');5const { promisify } = require('util');6(async () => {7 const browser = await chromium.launch();8 const context = await browser.newContext();9 const page = await context.newPage();10 const input = await page.$('input[name="q"]');11 await input.focus();12 await input.type('Hello World');13 await page.waitForTimeout(5000);14 await browser.close();15})();16const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');17const { chromium } = require('playwright');18const fs = require('fs');19const path = require('path');20const { promisify } = require('util');21(async () => {22 const browser = await chromium.launch();23 const context = await browser.newContext();24 const page = await context.newPage();25 const input = await page.$('input[name="q"]');26 await input.focus();27 await input.type('Hello World');28 await page.waitForTimeout(5000);29 await browser.close();30})();31const {getInstIfValueChanged} = require('playwright/lib/server/instrumentation');32const {chromium} = require('playwright');33const fs = require('fs');34const path = require('path');35const {promisify} = require('util');36(async () => {37 const browser = await chromium.launch();38 const context = await browser.newContext();39 const page = await context.newPage();40 const input = await page.$('input[name="q"]');41 await input.focus();42 await input.type('Hello World');43 await page.waitForTimeout(5000);44 await browser.close();45})();46const {getInstIfValueChanged} = require('playwright/lib/server/instrumentation');47const {chromium} = require('playwright');48const fs = require('fs');49const path = require('path');50const {promisify} = require('util');51(async () => {52 const browser = await chromium.launch();53 const context = await browser.newContext();
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright/lib/utils/utils');2const { Page } = require('playwright/lib/server/page');3const page = new Page();4const inst = getInstIfValueChanged(page, 'someProp', 123);5console.log(inst);6const { getInstIfValueChanged } = require('playwright/lib/utils/utils');7const { Page } = require('playwright/lib/server/page');8const page = new Page();9const inst = getInstIfValueChanged(page, 'someProp', 123);10console.log(inst);11const { getInstIfValueChanged } = require('playwright/lib/utils/utils');12const { Page } = require('playwright/lib/server/page');13const page = new Page();14const inst = getInstIfValueChanged(page, 'someProp', 123);15console.log(inst);16const { getInstIfValueChanged } = require('playwright/lib/utils/utils');17const { Page } = require('playwright/lib/server/page');18const page = new Page();19const inst = getInstIfValueChanged(page, 'someProp', 123);20console.log(inst);21const { getInstIfValueChanged } = require('playwright/lib/utils/utils');22const { Page } = require('playwright/lib/server/page');23const page = new Page();24const inst = getInstIfValueChanged(page, 'someProp', 123);25console.log(inst);26const { getInstIfValueChanged } = require('playwright/lib/utils/utils');27const { Page } = require('playwright/lib/server/page');28const page = new Page();29const inst = getInstIfValueChanged(page, 'someProp', 123);30console.log(inst);31const { getInstIfValueChanged } = require('playwright/lib/utils/utils');32const { Page } = require('playwright/lib/server/page');33const page = new Page();34const inst = getInstIfValueChanged(page, 'someProp', 123);35console.log(inst);36const { getInstIfValueChanged }
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const inputElement = await page.$('input[name="q"]');7 const inputElementWithValueChanged = await inputElement.getInstIfValueChanged();8 console.log(inputElementWithValueChanged);9 await browser.close();10})();11$eval()12$()13$$()14$$eval()15elementHandle.evaluate()16elementHandle.evaluateHandle()17elementHandle.fill()18elementHandle.getAttribute()19elementHandle.getProperty()20elementHandle.hover()21elementHandle.isIntersectingViewport()22elementHandle.press()23elementHandle.screenshot()24elementHandle.selectOption()25elementHandle.textContents()26elementHandle.textContent()27elementHandle.type()28elementHandle.uncheck()29elementHandle.waitForElementState()30elementHandle.waitForFunction()31elementHandle.waitForSelector()32elementHandle.waitForXPath()33elementHandle.xpath()34elementHandle.check()35elementHandle.click()36elementHandle.dblclick()37elementHandle.dispatchEvent()38elementHandle.focus()39elementHandle.getAttribute()40elementHandle.getProperty()41elementHandle.hover()42elementHandle.isIntersectingViewport()43elementHandle.press()44elementHandle.screenshot()45elementHandle.selectOption()46elementHandle.textContents()47elementHandle.textContent()48elementHandle.type()49elementHandle.uncheck()50elementHandle.waitForElementState()51elementHandle.waitForFunction()52elementHandle.waitForSelector()53elementHandle.waitForXPath()54elementHandle.xpath()55elementHandle.check()56elementHandle.click()57elementHandle.dblclick()58elementHandle.dispatchEvent()59elementHandle.focus()60elementHandle.getAttribute()61elementHandle.getProperty()62elementHandle.hover()63elementHandle.isIntersectingViewport()64elementHandle.press()65elementHandle.screenshot()66elementHandle.selectOption()67elementHandle.textContents()68elementHandle.textContent()69elementHandle.type()70elementHandle.uncheck()71elementHandle.waitForElementState()72elementHandle.waitForFunction()73elementHandle.waitForSelector()74elementHandle.waitForXPath()75elementHandle.xpath()76elementHandle.check()77elementHandle.click()78elementHandle.dblclick()79elementHandle.dispatchEvent()80elementHandle.focus()81elementHandle.getAttribute()82elementHandle.getProperty()83elementHandle.hover()
Using AI Code Generation
1const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');2const inst = getInstIfValueChanged('value', 10, 20);3console.log(inst);4const { getInstIfValueChanged } = require('playwright/lib/server/instrumentation');5const inst = getInstIfValueChanged('value', 10, 10);6console.log(inst);
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