How to use define_new_custom_element method in wpt

Best JavaScript code snippet using wpt

reactions.js

Source:reactions.js Github

copy

Full Screen

...3 let container = document.createElement('div');4 container.appendChild(document.createElement('div'));5 document.body.appendChild(container);6 test(function () {7 var element = define_new_custom_element();8 var instance = document.createElement(element.name);9 assert_array_equals(element.takeLog().types(), ['constructed']);10 testFunction(container, instance);11 assert_array_equals(element.takeLog().types(), ['connected']);12 }, name + ' must enqueue a connected reaction');13 test(function () {14 var element = define_new_custom_element();15 var instance = document.createElement(element.name);16 assert_array_equals(element.takeLog().types(), ['constructed']);17 var newDoc = document.implementation.createHTMLDocument();18 testFunction(container, instance);19 assert_array_equals(element.takeLog().types(), ['connected']);20 testFunction(newDoc.documentElement, instance);21 assert_array_equals(element.takeLog().types(), ['disconnected', 'adopted', 'connected']);22 }, name + ' must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document');23 container.parentNode.removeChild(container);24}25function testNodeDisconnector(testFunction, name) {26 let container = document.createElement('div');27 container.appendChild(document.createElement('div'));28 document.body.appendChild(container);29 30 test(function () {31 var element = define_new_custom_element();32 var instance = document.createElement(element.name);33 assert_array_equals(element.takeLog().types(), ['constructed']);34 container.appendChild(instance);35 assert_array_equals(element.takeLog().types(), ['connected']);36 testFunction(instance, window);37 assert_array_equals(element.takeLog().types(), ['disconnected']);38 }, name + ' must enqueue a disconnected reaction');39 container.parentNode.removeChild(container);40}41function testInsertingMarkup(testFunction, name) {42 let container = document.createElement('div');43 container.appendChild(document.createElement('div'));44 document.body.appendChild(container);45 test(function () {46 var element = define_new_custom_element();47 testFunction(container, `<${element.name}></${element.name}>`);48 assert_array_equals(element.takeLog().types(), ['constructed', 'connected']);49 }, name + ' must enqueue a connected reaction for a newly constructed custom element');50 test(function () {51 var element = define_new_custom_element(['title']);52 testFunction(container, `<${element.name} id="hello" title="hi"></${element.name}>`);53 var logEntries = element.takeLog();54 assert_array_equals(logEntries.types(), ['constructed', 'attributeChanged', 'connected']);55 assert_attribute_log_entry(logEntries[1], {name: 'title', oldValue: null, newValue: 'hi', namespace: null});56 }, name + ' must enqueue a attributeChanged reaction for a newly constructed custom element');57 container.parentNode.removeChild(container);58}59function testParsingMarkup(testFunction, name) {60 test(function () {61 var element = define_new_custom_element(['id']);62 assert_array_equals(element.takeLog().types(), []);63 var instance = testFunction(document, `<${element.name} id="hello" class="foo"></${element.name}>`);64 assert_equals(Object.getPrototypeOf(instance.querySelector(element.name)), element.class.prototype);65 var logEntries = element.takeLog();66 assert_array_equals(logEntries.types(), ['constructed', 'attributeChanged']);67 assert_attribute_log_entry(logEntries[1], {name: 'id', oldValue: null, newValue: 'hello', namespace: null});68 }, name + ' must construct a custom element');69}70function testCloner(testFunction, name) {71 let container = document.createElement('div');72 container.appendChild(document.createElement('div'));73 document.body.appendChild(container);74 test(function () {75 var element = define_new_custom_element(['id']);76 var instance = document.createElement(element.name);77 container.appendChild(instance);78 instance.setAttribute('id', 'foo');79 assert_array_equals(element.takeLog().types(), ['constructed', 'connected', 'attributeChanged']);80 var newInstance = testFunction(instance);81 var logEntries = element.takeLog();82 assert_array_equals(logEntries.types(), ['constructed', 'attributeChanged']);83 assert_attribute_log_entry(logEntries.last(), {name: 'id', oldValue: null, newValue: 'foo', namespace: null});84 }, name + ' must enqueue an attributeChanged reaction when cloning an element with an observed attribute');85 test(function () {86 var element = define_new_custom_element(['id']);87 var instance = document.createElement(element.name);88 container.appendChild(instance);89 instance.setAttribute('lang', 'en');90 assert_array_equals(element.takeLog().types(), ['constructed', 'connected']);91 var newInstance = testFunction(instance);92 assert_array_equals(element.takeLog().types(), ['constructed']);93 }, name + ' must not enqueue an attributeChanged reaction when cloning an element with an unobserved attribute');94 test(function () {95 var element = define_new_custom_element(['title', 'class']);96 var instance = document.createElement(element.name);97 container.appendChild(instance);98 instance.setAttribute('lang', 'en');99 instance.className = 'foo';100 instance.setAttribute('title', 'hello world');101 assert_array_equals(element.takeLog().types(), ['constructed', 'connected', 'attributeChanged', 'attributeChanged']);102 var newInstance = testFunction(instance);103 var logEntries = element.takeLog();104 assert_array_equals(logEntries.types(), ['constructed', 'attributeChanged', 'attributeChanged']);105 assert_attribute_log_entry(logEntries[1], {name: 'class', oldValue: null, newValue: 'foo', namespace: null});106 assert_attribute_log_entry(logEntries[2], {name: 'title', oldValue: null, newValue: 'hello world', namespace: null});107 }, name + ' must enqueue an attributeChanged reaction when cloning an element only for observed attributes');108}109function testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, contentValue1, validValue2, contentValue2, name) {110 test(function () {111 var element = define_new_custom_element([contentAttributeName]);112 var instance = document.createElement(element.name);113 assert_array_equals(element.takeLog().types(), ['constructed']);114 instance[jsAttributeName] = validValue1;115 var logEntries = element.takeLog();116 assert_array_equals(logEntries.types(), ['attributeChanged']);117 assert_attribute_log_entry(logEntries.last(), {name: contentAttributeName, oldValue: null, newValue: contentValue1, namespace: null});118 }, name + ' must enqueue an attributeChanged reaction when adding ' + contentAttributeName + ' content attribute');119 test(function () {120 var element = define_new_custom_element([contentAttributeName]);121 var instance = document.createElement(element.name);122 instance[jsAttributeName] = validValue1;123 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);124 instance[jsAttributeName] = validValue2;125 var logEntries = element.takeLog();126 assert_array_equals(logEntries.types(), ['attributeChanged']);127 assert_attribute_log_entry(logEntries.last(), {name: contentAttributeName, oldValue: contentValue1, newValue: contentValue2, namespace: null});128 }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');129}130function testReflectAttribute(jsAttributeName, contentAttributeName, validValue1, validValue2, name) {131 testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, validValue1, validValue2, validValue2, name);132}133function testReflectBooleanAttribute(jsAttributeName, contentAttributeName, name) {134 testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, true, '', false, null, name);135}136function testAttributeAdder(testFunction, name) {137 test(function () {138 var element = define_new_custom_element(['id']);139 var instance = document.createElement(element.name);140 assert_array_equals(element.takeLog().types(), ['constructed']);141 testFunction(instance, 'id', 'foo');142 var logEntries = element.takeLog();143 assert_array_equals(logEntries.types(), ['attributeChanged']);144 assert_attribute_log_entry(logEntries.last(), {name: 'id', oldValue: null, newValue: 'foo', namespace: null});145 }, name + ' must enqueue an attributeChanged reaction when adding an attribute');146 test(function () {147 var element = define_new_custom_element(['class']);148 var instance = document.createElement(element.name);149 assert_array_equals(element.takeLog().types(), ['constructed']);150 testFunction(instance, 'data-lang', 'en');151 assert_array_equals(element.takeLog().types(), []);152 }, name + ' must not enqueue an attributeChanged reaction when adding an unobserved attribute');153 test(function () {154 var element = define_new_custom_element(['title']);155 var instance = document.createElement(element.name);156 instance.setAttribute('title', 'hello');157 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);158 testFunction(instance, 'title', 'world');159 var logEntries = element.takeLog();160 assert_array_equals(logEntries.types(), ['attributeChanged']);161 assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: 'hello', newValue: 'world', namespace: null});162 }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');163 test(function () {164 var element = define_new_custom_element([]);165 var instance = document.createElement(element.name);166 instance.setAttribute('data-lang', 'zh');167 assert_array_equals(element.takeLog().types(), ['constructed']);168 testFunction(instance, 'data-lang', 'en');169 assert_array_equals(element.takeLog().types(), []);170 }, name + ' must enqueue an attributeChanged reaction when replacing an existing unobserved attribute');171}172function testAttributeMutator(testFunction, name) {173 test(function () {174 var element = define_new_custom_element(['title']);175 var instance = document.createElement(element.name);176 instance.setAttribute('title', 'hello');177 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);178 testFunction(instance, 'title', 'world');179 var logEntries = element.takeLog();180 assert_array_equals(logEntries.types(), ['attributeChanged']);181 assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: 'hello', newValue: 'world', namespace: null});182 }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');183 test(function () {184 var element = define_new_custom_element(['class']);185 var instance = document.createElement(element.name);186 instance.setAttribute('data-lang', 'zh');187 assert_array_equals(element.takeLog().types(), ['constructed']);188 testFunction(instance, 'data-lang', 'en');189 assert_array_equals(element.takeLog().types(), []);190 }, name + ' must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute');191}192function testAttributeRemover(testFunction, name, options) {193 if (options && !options.onlyExistingAttribute) {194 test(function () {195 var element = define_new_custom_element(['title']);196 var instance = document.createElement(element.name);197 assert_array_equals(element.takeLog().types(), ['constructed']);198 testFunction(instance, 'title');199 assert_array_equals(element.takeLog().types(), []);200 }, name + ' must not enqueue an attributeChanged reaction when removing an attribute that does not exist');201 }202 test(function () {203 var element = define_new_custom_element([]);204 var instance = document.createElement(element.name);205 instance.setAttribute('data-lang', 'hello');206 assert_array_equals(element.takeLog().types(), ['constructed']);207 testFunction(instance, 'data-lang');208 assert_array_equals(element.takeLog().types(), []);209 }, name + ' must not enqueue an attributeChanged reaction when removing an unobserved attribute');210 test(function () {211 var element = define_new_custom_element(['title']);212 var instance = document.createElement(element.name);213 instance.setAttribute('title', 'hello');214 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);215 testFunction(instance, 'title');216 var logEntries = element.takeLog();217 assert_array_equals(logEntries.types(), ['attributeChanged']);218 assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: 'hello', newValue: null, namespace: null});219 }, name + ' must enqueue an attributeChanged reaction when removing an existing attribute');220 test(function () {221 var element = define_new_custom_element([]);222 var instance = document.createElement(element.name);223 instance.setAttribute('data-lang', 'ja');224 assert_array_equals(element.takeLog().types(), ['constructed']);225 testFunction(instance, 'data-lang');226 assert_array_equals(element.takeLog().types(), []);227 }, name + ' must not enqueue an attributeChanged reaction when removing an existing unobserved attribute');228}229function test_mutating_style_property_value(testFunction, name, options) {230 const propertyName = (options || {}).propertyName || 'color';231 const idlName = (options || {}).idlName || 'color';232 const value1 = (options || {}).value1 || 'blue';233 const rule1 = `${propertyName}: ${value1};`;234 const value2 = (options || {}).value2 || 'red';235 const rule2 = `${propertyName}: ${value2};`;236 test(function () {237 var element = define_new_custom_element(['style']);238 var instance = document.createElement(element.name);239 assert_array_equals(element.takeLog().types(), ['constructed']);240 testFunction(instance, propertyName, idlName, value1);241 assert_equals(instance.getAttribute('style'), rule1);242 var logEntries = element.takeLog();243 assert_array_equals(logEntries.types(), ['attributeChanged']);244 assert_attribute_log_entry(logEntries.last(), {name: 'style', oldValue: null, newValue: rule1, namespace: null});245 }, name + ' must enqueue an attributeChanged reaction when it adds the observed style attribute');246 test(function () {247 var element = define_new_custom_element(['title']);248 var instance = document.createElement(element.name);249 assert_array_equals(element.takeLog().types(), ['constructed']);250 testFunction(instance, propertyName, idlName, value1);251 assert_equals(instance.getAttribute('style'), rule1);252 assert_array_equals(element.takeLog().types(), []);253 }, name + ' must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed');254 test(function () {255 var element = define_new_custom_element(['style']);256 var instance = document.createElement(element.name);257 testFunction(instance, propertyName, idlName, value1);258 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);259 testFunction(instance, propertyName, idlName, value2);260 assert_equals(instance.getAttribute('style'), rule2);261 var logEntries = element.takeLog();262 assert_array_equals(logEntries.types(), ['attributeChanged']);263 assert_attribute_log_entry(logEntries.last(), {name: 'style', oldValue: rule1, newValue: rule2, namespace: null});264 }, name + ' must enqueue an attributeChanged reaction when it mutates the observed style attribute');265 test(function () {266 var element = define_new_custom_element([]);267 var instance = document.createElement(element.name);268 testFunction(instance, propertyName, idlName, value1);269 assert_array_equals(element.takeLog().types(), ['constructed']);270 testFunction(instance, propertyName, idlName, value2);271 assert_equals(instance.getAttribute('style'), rule2);272 assert_array_equals(element.takeLog().types(), []);273 }, name + ' must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed');274}275function test_removing_style_property_value(testFunction, name) {276 test(function () {277 var element = define_new_custom_element(['style']);278 var instance = document.createElement(element.name);279 instance.setAttribute('style', 'color: red; display: none;');280 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);281 testFunction(instance, 'color', 'color');282 assert_equals(instance.getAttribute('style'), 'display: none;'); // Don't make this empty since browser behaviors are inconsistent now.283 var logEntries = element.takeLog();284 assert_array_equals(logEntries.types(), ['attributeChanged']);285 assert_attribute_log_entry(logEntries.last(), {name: 'style', oldValue: 'color: red; display: none;', newValue: 'display: none;', namespace: null});286 }, name + ' must enqueue an attributeChanged reaction when it removes a property from the observed style attribute');287 test(function () {288 var element = define_new_custom_element(['class']);289 var instance = document.createElement(element.name);290 instance.setAttribute('style', 'color: red; display: none;');291 assert_array_equals(element.takeLog().types(), ['constructed']);292 testFunction(instance, 'color', 'color');293 assert_equals(instance.getAttribute('style'), 'display: none;'); // Don't make this empty since browser behaviors are inconsistent now.294 assert_array_equals(element.takeLog().types(), []);295 }, name + ' must not enqueue an attributeChanged reaction when it removes a property from the style attribute but the style attribute is not observed');296}297function test_mutating_style_property_priority(testFunction, name) {298 test(function () {299 var element = define_new_custom_element(['style']);300 var instance = document.createElement(element.name);301 instance.setAttribute('style', 'color: red');302 assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);303 testFunction(instance, 'color', 'color', true);304 assert_equals(instance.getAttribute('style'), 'color: red !important;');305 var logEntries = element.takeLog();306 assert_array_equals(logEntries.types(), ['attributeChanged']);307 assert_attribute_log_entry(logEntries.last(), {name: 'style', oldValue: 'color: red', newValue: 'color: red !important;', namespace: null});308 }, name + ' must enqueue an attributeChanged reaction when it makes a property important and the style attribute is observed');309 test(function () {310 var element = define_new_custom_element(['id']);311 var instance = document.createElement(element.name);312 instance.setAttribute('style', 'color: red');313 assert_array_equals(element.takeLog().types(), ['constructed']);314 testFunction(instance, 'color', 'color', true);315 assert_equals(instance.getAttribute('style'), 'color: red !important;');316 assert_array_equals(element.takeLog().types(), []);317 }, name + ' must enqueue an attributeChanged reaction when it makes a property important but the style attribute is not observed');...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1define_new_custom_element('test-element', class extends HTMLElement {2 constructor() {3 super();4 }5 connectedCallback() {6 console.log('connected');7 }8 disconnectedCallback() {9 console.log('disconnected');10 }11 attributeChangedCallback(attrName, oldVal, newVal) {12 console.log('attribute changed');13 }14 adoptedCallback() {15 console.log('adopted');16 }17});18var testElement = document.querySelector('test-element');19testElement.remove();20testElement.setAttribute('class', 'test');21testElement.setAttribute('class', 'test1');22testElement.removeAttribute('class');23testElement.setAttribute('class', 'test');24testElement.setAttribute('class', 'test1');25testElement.removeAttribute('class');26testElement.setAttribute('class', 'test');27testElement.setAttribute('class', 'test1');28testElement.removeAttribute('class');29testElement.setAttribute('class', 'test');30testElement.setAttribute('class', 'test1');31testElement.removeAttribute('class');

Full Screen

Using AI Code Generation

copy

Full Screen

1define_new_custom_element('my-element', class extends HTMLElement {2 constructor() {3 super();4 }5});6define_new_custom_element('my-element2', class extends HTMLElement {7 constructor() {8 super();9 }10});11define_new_custom_element('my-element3', class extends HTMLElement {12 constructor() {13 super();14 }15});16define_new_custom_element('my-element4', class extends HTMLElement {17 constructor() {18 super();19 }20});21define_new_custom_element('my-element5', class extends HTMLElement {22 constructor() {23 super();24 }25});26define_new_custom_element('my-element6', class extends HTMLElement {27 constructor() {28 super();29 }30});31define_new_custom_element('my-element7', class extends HTMLElement {32 constructor() {33 super();34 }35});36define_new_custom_element('my-element8', class extends HTMLElement {37 constructor() {38 super();39 }40});41define_new_custom_element('my-element9', class extends HTMLElement {42 constructor() {43 super();44 }45});46define_new_custom_element('my-element10', class extends HTMLElement {47 constructor() {48 super();49 }50});51define_new_custom_element('my-element11', class extends HTMLElement {52 constructor() {53 super();54 }55});56define_new_custom_element('my-element12', class extends HTMLElement {57 constructor() {58 super();59 }60});61define_new_custom_element('my-element13', class extends HTMLElement {62 constructor() {63 super();64 }65});66define_new_custom_element('my-element14', class extends HTMLElement {67 constructor() {68 super();69 }70});

Full Screen

Using AI Code Generation

copy

Full Screen

1define_new_custom_element('my-new-element', {2 prototype: {3 createdCallback: function() {4 this.innerHTML = 'Hello World!';5 }6 }7});8var my_new_element = define_new_custom_element('my-new-element', {9 prototype: {10 createdCallback: function() {11 this.innerHTML = 'Hello World!';12 }13 }14});15my_new_element.prototype.sayHello = function() {16 console.log('Hello!');17};

Full Screen

Using AI Code Generation

copy

Full Screen

1define_new_custom_element('custom-element', {prototype: {}});2define_new_custom_element('custom-element-2', {prototype: {}});3define_new_custom_element('custom-element-3', {prototype: {}});4define_new_custom_element('custom-element-4', {prototype: {}});5define_new_custom_element('custom-element-5', {prototype: {}});6define_new_custom_element('custom-element-6', {prototype: {}});7define_new_custom_element('custom-element-7', {prototype: {}});8define_new_custom_element('custom-element-8', {prototype: {}});9define_new_custom_element('custom-element-9', {prototype: {}});10define_new_custom_element('custom-element-10', {prototype: {}});11define_new_custom_element('custom-element-11', {prototype: {}});12define_new_custom_element('custom-element-12', {prototype: {}});13define_new_custom_element('custom-element-13', {prototype: {}});14define_new_custom_element('custom-element-14', {prototype: {}});15define_new_custom_element('custom-element-15', {prototype: {}});16define_new_custom_element('custom-element-16', {prototype: {}});17define_new_custom_element('custom-element-17', {prototype: {}});

Full Screen

Using AI Code Generation

copy

Full Screen

1define_new_custom_element("my-element", {2 constructor: function() {3 console.log("constructor called");4 },5 prototype: {6 connectedCallback: function() {7 console.log("connectedCallback called");8 },9 disconnectedCallback: function() {10 console.log("disconnectedCallback called");11 },12 attributeChangedCallback: function(attrName, oldVal, newVal) {13 console.log("attributeChangedCallback called for " + attrName);14 }15 }16});

Full Screen

Using AI Code Generation

copy

Full Screen

1import { define_new_custom_element } from "./wpt_custom_element.js";2const custom_element_name = "my-custom-element";3define_new_custom_element(custom_element_name);4const custom_element = document.createElement(custom_element_name);5custom_element.setAttribute("attr1", "value1");6document.body.appendChild(custom_element);7export function define_new_custom_element(custom_element_name) {8class MyCustomElement extends HTMLElement {9constructor() {10super();11}12}13customElements.define(custom_element_name, MyCustomElement);14}

Full Screen

Using AI Code Generation

copy

Full Screen

1var wptools = require('wptools');2wptools.define_new_custom_element({3 data: {4 },5 methods: {6 load: function() {7 var self = this;8 wptools.get_articles({9 success: function(articles) {10 self.data.articles = articles;11 self.render();12 },13 error: function(error) {14 console.log(error);15 }16 });17 }18 },19 ready: function() {20 this.load();21 }22});23var list = document.querySelector('wikipedia-article-list');24document.body.appendChild(list);

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