How to use attributeChangedCallback method in wpt

Best JavaScript code snippet using wpt

custom-element.js

Source:custom-element.js Github

copy

Full Screen

...19 var vm = this;20 var args = {};21 var alt = args.alt = vm.getAttribute('alt');22 if (!!alt) {23 vm.attributeChangedCallback('alt', null, alt);24 }25 var displayErrors = args.displayErrors =26 Boolean(vm.getAttribute('display-errors'));27 vm.attributeChangedCallback('display-errors', null, displayErrors);28 var displayWarnings = args.displayWarnings =29 Boolean(vm.getAttribute('display-warnings'));30 vm.attributeChangedCallback('display-warnings', null, displayWarnings);31 var displaySuccess = args.displaySuccess =32 Boolean(vm.getAttribute('display-success'));33 vm.attributeChangedCallback('display-success', null, displaySuccess);34 var fitToContainer = args.fitToContainer =35 Boolean(vm.getAttribute('fit-to-container'));36 vm.attributeChangedCallback('fit-to-container', null, fitToContainer);37 var highlights = vm.getAttribute('highlights');38 if (!!highlights) {39 highlights = args.highlights = JSON.parse(decodeURIComponent(highlights));40 vm.attributeChangedCallback('highlights', null, highlights);41 }42 var hashEditorStateComponents = window.location.hash.match('editor\/(.*)$');43 var hashEditorState;44 if (!!hashEditorStateComponents && !!hashEditorStateComponents.length) {45 hashEditorState = hashEditorStateComponents[1];46 }47 var editor = args.editor = hashEditorState ||48 vm.getAttribute('editor');49 if (!!editor) {50 vm.attributeChangedCallback('editor', null, editor);51 }52 var resource = args.resource = vm.getAttribute('resource');53 if (!!resource) {54 vm.attributeChangedCallback('resource', null, resource);55 }56 var version = args.version = parseFloat(vm.getAttribute('version'));57 if (!!version) {58 vm.attributeChangedCallback('version', null, version);59 }60 /* TODO should this be enabled? It doesn't seem needed for the web-component.61 var manualRender = args.manualRender =62 Boolean(vm.getAttribute('manual-render'));63 if (!!manualRender) {64 vm.attributeChangedCallback('manual-render', null, manualRender);65 }66 //*/67 var src = vm.getAttribute('src');68 if (!!src) {69 vm.attributeChangedCallback('src', null, src);70 }71 args.sourceData = [72 {73 uri: src,74 // TODO we should be able to use the content type75 // header from the server response instead of relying76 // on this.77 // Think analogous to image/png, image/gif, etc. for the img tag.78 fileType:'gpml' // generally will correspond to filename extension79 }80 ];81 //vm.innerHTML = '';82 var pvjs = new Pvjs(vm, args);83 };...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1class Test extends HTMLElement {2 constructor() {3 super();4 }5 attributeChangedCallback(name, oldValue, newValue) {6 console.log("attribute changed", name, oldValue, newValue);7 }8 connectedCallback() {9 console.log("connected");10 }11}12customElements.define("wpt-test", Test);13 document.getElementById("test").setAttribute("attr1", "attr1_2");14 document.getElementById("test").setAttribute("attr2", "attr2_2");

Full Screen

Using AI Code Generation

copy

Full Screen

1import { LightningElement } from 'lwc';2export default class Test extends LightningElement {3 handlechange(event) {4 console.log('value changed');5 }6}7 <lightning-input type="textarea" label="Text Area" onchange={handlechange} value={value}/>8import { LightningElement, api, track } from 'lwc';9export default class WpTextarea extends LightningElement {10 @api field;11 @track value;12 @api objectApiName;13 @api recordId;14 @api label;15 @api required;16 @api disabled;17 @api readonly;18 @api maxlength;19 @api minlength;20 @api placeholder;21 @api messageWhenBadInput;22 @api messageWhenPatternMismatch;23 @api messageWhenRangeOverflow;24 @api messageWhenRangeUnderflow;25 @api messageWhenStepMismatch;26 @api messageWhenTooLong;27 @api messageWhenTooShort;28 @api messageWhenTypeMismatch;29 @api messageWhenValueMissing;30 @api pattern;31 @api max;32 @api min;33 @api step;34 @api rows;35 @api cols;36 @api wrap;37 @api variant;38 @api type;39 @api name;40 @api autocomplete;41 @api tabindex;42 @api accesskey;43 @api inputmode;44 @api showHelpMessageIfInvalid;45 @api helpMessage;46 @api helpMessageWhenValueMissing;47 @api helpMessageWhenBadInput;48 @api helpMessageWhenPatternMismatch;49 @api helpMessageWhenRangeOverflow;50 @api helpMessageWhenRangeUnderflow;51 @api helpMessageWhenStepMismatch;52 @api helpMessageWhenTooLong;53 @api helpMessageWhenTooShort;54 @api helpMessageWhenTypeMismatch;55 @api helpMessageWhenValid;56 @api validity;57 @api validityTransform;58 @api fieldLevelHelp;59 @api messageToggleActive;60 @api messageToggleInactive;61 @api labelHidden;62 @api labelClass;63 @api hideLabel;64 @api iconName;65 @api iconPosition;66 @api iconAlternativeText;67 @api iconSize;68 @api iconTitle;

Full Screen

Using AI Code Generation

copy

Full Screen

1import { LightningElement } from 'lwc';2export default class Test extends LightningElement {3 handlechange(event) {4 console.log('value changed');5 }6}7 <lightning-input type="textarea" label="Text Area" onchange={handlechange} value={value}/>8import { LightningElement, api, track } from 'lwc';9export default class WpTextarea extends LightningElement {10 @api field;11 @track value;12 @api objectApiName;13 @api recordId;14 @api label;15 @api required;16 @api disabled;17 @api readonly;18 @api maxlength;19 @api minlength;20 @api placeholder;21 @api messageWhenBadInput;22 @api messageWhenPatternMismatch;23 @api messageWhenRangeOverflow;24 @api messageWhenRangeUnderflow;25 @api messageWhenStepMismatch;26 @api messageWhenTooLong;27 @api messageWhenTooShort;28 @api messageWhenTypeMismatch;29 @api messageWhenValueMissing;30 @api pattern;31 @api max;32 @api min;33 @api step;34 @api rows;35 @api cols;36 @api wrap;37 @api variant;38 @api type;39 @api name;40 @api autocomplete;41 @api tabindex;42 @api accesskey;43 @api inputmode;44 @api showHelpMessageIfInvalid;45 @api helpMessage;46 @api helpMessageWhenValueMissing;47 @api helpMessageWhenBadInput;48 @api helpMessageWhenPatternMismatch;49 @api helpMessageWhenRangeOverflow;50 @api helpMessageWhenRangeUnderflow;51 @api helpMessageWhenStepMismatch;52 @api helpMessageWhenTooLong;53 @api helpMessageWhenTooShort;54 @api helpMessageWhenTypeMismatch;55 @api helpMessageWhenValid;56 @api validity;57 @api validityTransform;58 @api fieldLevelHelp;59 @api messageToggleActive;60 @api messageToggleInactive;61 @api labelHidden;62 @api labelClass;63 @api hideLabel;64 @api iconName;65 @api iconPosition;66 @api iconAlternativeText;67 @api iconSize;68 @api iconTitle;

Full Screen

Using AI Code Generation

copy

Full Screen

1va txtarea = docume.querySelector('wptextarea');2textarea.value= "Hello";3class WPTextarea extens HTMLElement {4 constructor() {5 super();6 this.tchShadow({mode: 'oen' });7 textarea {8 width: 100%;9 height: 100%;10 border: none;11 backgound-clor: transarnt;12 }13 `;14 }15 get value() {16 return ths.shadowRoot.querySelctor('textarea').value;17 }18 et value(val) {19 this.shadowRootquerySelector('textarea').value = val;20 }21 attributeChangedCallback(name,oldValue, newValue) {22 if (name === 'value') {23 this.value = newValue;24 }25 }26 static get observedAttributes() {27 return ['value'];28 }29}30customElements.define('wp-textarea', PTextarea);31import WpText from "@/components/atoms/WpText.vue";32export default {33 components: {34 },35 data() {36 return {37 };38 },39 methods: {40 handleInput() {41 this.text = this.$refs.text.value;42 },43 handleBlur() {44 this.$refs.text.blur();45 }46 }47};48 @input="$emit('input')"49 @blur="$emit('blur')"50export default {51 props: {52 value: {53 },54 placeholder: {55 }56 },57 watch: {58 value: function(newVal, oldVal) {59 this.$refs.text.value = newVal;60 }61 },62 methods: {63 attributeChangedCallback(attrName, oldVal, newVal) {64 if (attrName === "value") {65 this.$refs.text.value = newVal;66 }67 }68 }69};

Full Screen

Using AI Code Generation

copy

Full Screen

1var textarea = document.querySelector('wptextarea');2textarea.setAttribute('value', 'Hello World');3textarea.setAttribute('disabled', true);4textarea.setAttribute('placeholder', 'Enter your name');5textarea.setAttribute('minlength', 1);6textarea.setAttribute('maxlength', 20);7textarea.setAttribute('required', true);8textarea.setAttribute('readonly', true);9textarea.setAttribute('error', 'Please enter a valid value');10textarea.setAttribute('label', 'Enter your name');11textarea.setAttribute('rows', 3);12textarea.setAttribute('cols', 50);13textarea.setAttribute('pattern', '[a-zA-Z]+');14textarea.setAttribute('spellcheck', true);15textarea.setAttribute('wrap', 'soft');16textarea.setAttribute('autofocus', true);17textarea.setAttribute('autocomplete', 'off');18textarea.setAttribute('autocapitalize', 'off');19textarea.setAttribute('autocorrect', 'off');20textarea.setAttribute('name', 'name');21textarea.setAttribute('id', 'name');22textarea.setAttribute('tabindex', 1);23textarea.setAttribute('dir', 'rtl');24textarea.setAttribute('lang', 'en');25textarea.setAttribute('title', 'Enter your name');26textarea.setAttribute('class', 'form-control');27textarea.setAttribute('style', 'width: 100%');28class WpTextarea extends HTMLElement {29 constructor() {30 super();31 this.shadow = this.attachShadow({ mode: 'open' });32 }33 connectedCallback() {34 this.render();35 }36 render() {37 const textarea = document.createElement('textarea');38 textarea.setAttribute('value', this.getAttribute('value'));39 textarea.setAttribute('disabled', this.getAttribute('disabled'));40 textarea.setAttribute('placeholder', this.getAttribute('placeholder'));41 textarea.setAttribute('minlength', this.getAttribute('minlength'));42 textarea.setAttribute('maxlength', this.getAttribute('maxlength'));43 textarea.setAttribute('required', this.getAttribute('required'));44 textarea.setAttribute('readonly', this.getAttribute('readonly'));45 textarea.setAttribute('error', this.getAttribute('error'));46 textarea.setAttribute('label', this.getAttribute('label'));

Full Screen

Using AI Code Generation

copy

Full Screen

1class wptextarea extends HTMLElement {2 constructor() {3 super();4 this.attachShadow({ mode: 'open' });5 `;6 }7 get value() {8 return this.shadowRoot.querySelector('textarea').value;9 }10 set value(newValue) {11 this.shadowRoot.querySelector('textarea').value = newValue;12 }13 attributeChangedCallback(name, oldValue, newValue) {14 if (name === 'value') {15 this.value = newValue;16 }17 }18 static get observedAttributes() {19 return ['value'];20 }21}22customElements.define('wp-textarea', wptextarea);23stif ner cbutes(enh mthod'];ntcald24}hisf25axpert dofesl ceosstTusc(od ndLighningE {26l p hendlused in(uvon ) {et the initial value of the textarea. The value property is also used in the attributeChangedCallback() method to update the value of the textarea when the value27i.vl=event.target.value;28 }29}30T inkm,ent, api } from 'lwc';31ass Test extends LightningElement {

Full Screen

Using AI Code Generation

copy

Full Screen

1import { LightningElement, api } from 'lwc';2export default class Test extends LightningElement {3 @api text = 'Hello World';4 handleClick() {5 this.text = 'Hello World';6 }7}8 <c-wptext text={text}></c-wptext>9 <button onclick={handleClick}>Click Me</button>

Full Screen

Automation Testing Tutorials

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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run wpt automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful