How to use isConstructor method in wpt

Best JavaScript code snippet using wpt

464d5d8e5aedf2a5497361695b80a93d.js

Source:464d5d8e5aedf2a5497361695b80a93d.js

1function assert(x) {2    if (!x)3        throw Error("Bad");4}5let isConstructor = createBuiltin("(function(c) { return @isConstructor(c); })");6// Functions.7assert(isConstructor(assert));8assert(isConstructor(class{}));9assert(isConstructor(function(){}));10// Proxy functions.11assert(isConstructor(new Proxy(assert, {})));12assert(isConstructor(new Proxy(class{}, {})));13assert(isConstructor(new Proxy(function(){}, {})));14// Bound functions.15assert(isConstructor(assert.bind(null), {}));16assert(isConstructor((class{}).bind(null), {}));17assert(isConstructor(function(){}.bind(null), {}));18// Builtin constructors.19assert(isConstructor(Array));20assert(isConstructor(ArrayBuffer));21assert(isConstructor(Boolean));22assert(isConstructor(Date));23assert(isConstructor(Error));24assert(isConstructor(Function));25assert(isConstructor(Map));26assert(isConstructor(Number));27assert(isConstructor(Object));28assert(isConstructor(Promise));29assert(isConstructor(Proxy));30assert(isConstructor(RegExp));31assert(isConstructor(Set));32assert(isConstructor(String));33assert(isConstructor(WeakMap));34assert(isConstructor(WeakSet));35// Non-function values.36assert(!isConstructor(undefined));37assert(!isConstructor(null));38assert(!isConstructor(true));39assert(!isConstructor(false));40assert(!isConstructor(0));41assert(!isConstructor(1));42assert(!isConstructor(1.1));43assert(!isConstructor(-1));44assert(!isConstructor(Date.now()));45assert(!isConstructor(new Date));46assert(!isConstructor(Infinity));47assert(!isConstructor(NaN));48assert(!isConstructor(""));49assert(!isConstructor("test"));50assert(!isConstructor([]));51assert(!isConstructor({}));52assert(!isConstructor(/regex/));53assert(!isConstructor(Math));54assert(!isConstructor(JSON));55assert(!isConstructor(Symbol()));56assert(!isConstructor(new Error));57assert(!isConstructor(new Proxy({}, {})));58assert(!isConstructor(Array.prototype));59// Symbol is not a constructor.60assert(!isConstructor(Symbol));61// Getters / setters are not constructors.62assert(!isConstructor(Object.getOwnPropertyDescriptor({get f(){}}, "f").get));63assert(!isConstructor(Object.getOwnPropertyDescriptor({set f(x){}}, "f").set));64// Arrow functions are not constructors.65assert(!isConstructor(()=>{}));66// Generators are not constructors.67assert(!isConstructor(function*(){}));68// Native builtins are not constructors.69assert(!isConstructor(isConstructor));70// https://tc39.github.io/ecma262/#sec-built-in-function-objects71// Built-in function objects that are not identified as constructors do not72// implement the [[Construct]] internal method unless otherwise specified in73// the description of a particular function.74assert(!isConstructor(Array.of));75assert(!isConstructor(Object.getOwnPropertyDescriptor));76assert(!isConstructor(Date.now));77assert(!isConstructor(Math.cos));78assert(!isConstructor(JSON.stringify));79assert(!isConstructor(Promise.all));80assert(!isConstructor(Symbol.for));81assert(!isConstructor(Array.prototype.push));82// Proxy and bound functions carry forward non-constructor-ness.83assert(!isConstructor(new Proxy(Symbol, {})));84assert(!isConstructor(new Proxy(Math.cos, {})));85assert(!isConstructor(Symbol.bind(null)));...

is-constructor.js

Source:is-constructor.js

1function assert(x) {2    if (!x)3        throw Error("Bad");4}5let isConstructor = createBuiltin("(function(c) { return @isConstructor(c); })");6// Functions.7assert(isConstructor(assert));8assert(isConstructor(class{}));9assert(isConstructor(function(){}));10// Proxy functions.11assert(isConstructor(new Proxy(assert, {})));12assert(isConstructor(new Proxy(class{}, {})));13assert(isConstructor(new Proxy(function(){}, {})));14// Bound functions.15assert(isConstructor(assert.bind(null), {}));16assert(isConstructor((class{}).bind(null), {}));17assert(isConstructor(function(){}.bind(null), {}));18// Builtin constructors.19assert(isConstructor(Array));20assert(isConstructor(ArrayBuffer));21assert(isConstructor(Boolean));22assert(isConstructor(Date));23assert(isConstructor(Error));24assert(isConstructor(Function));25assert(isConstructor(Map));26assert(isConstructor(Number));27assert(isConstructor(Object));28assert(isConstructor(Promise));29assert(isConstructor(Proxy));30assert(isConstructor(RegExp));31assert(isConstructor(Set));32assert(isConstructor(String));33assert(isConstructor(WeakMap));34assert(isConstructor(WeakSet));35// Non-function values.36assert(!isConstructor(undefined));37assert(!isConstructor(null));38assert(!isConstructor(true));39assert(!isConstructor(false));40assert(!isConstructor(0));41assert(!isConstructor(1));42assert(!isConstructor(1.1));43assert(!isConstructor(-1));44assert(!isConstructor(Date.now()));45assert(!isConstructor(new Date));46assert(!isConstructor(Infinity));47assert(!isConstructor(NaN));48assert(!isConstructor(""));49assert(!isConstructor("test"));50assert(!isConstructor([]));51assert(!isConstructor({}));52assert(!isConstructor(/regex/));53assert(!isConstructor(Math));54assert(!isConstructor(JSON));55assert(!isConstructor(Symbol()));56assert(!isConstructor(new Error));57assert(!isConstructor(new Proxy({}, {})));58assert(!isConstructor(Array.prototype));59// Symbol is not a constructor.60assert(!isConstructor(Symbol));61// Getters / setters are not constructors.62assert(!isConstructor(Object.getOwnPropertyDescriptor({get f(){}}, "f").get));63assert(!isConstructor(Object.getOwnPropertyDescriptor({set f(x){}}, "f").set));64// Arrow functions are not constructors.65assert(!isConstructor(()=>{}));66// Generators are not constructors.67assert(!isConstructor(function*(){}));68// Native builtins are not constructors.69assert(!isConstructor(isConstructor));70// https://tc39.github.io/ecma262/#sec-built-in-function-objects71// Built-in function objects that are not identified as constructors do not72// implement the [[Construct]] internal method unless otherwise specified in73// the description of a particular function.74assert(!isConstructor(Array.of));75assert(!isConstructor(Object.getOwnPropertyDescriptor));76assert(!isConstructor(Date.now));77assert(!isConstructor(Math.cos));78assert(!isConstructor(JSON.stringify));79assert(!isConstructor(Promise.all));80assert(!isConstructor(Symbol.for));81assert(!isConstructor(Array.prototype.push));82// Proxy and bound functions carry forward non-constructor-ness.83assert(!isConstructor(new Proxy(Symbol, {})));84assert(!isConstructor(new Proxy(Math.cos, {})));85assert(!isConstructor(Symbol.bind(null)));...

Using AI Code Generation

1var wpt = require('webpage');2console.log(wpt.isConstructor(wpt));3var webserver = require('webserver');4console.log(webserver.isConstructor(webserver));5var webpage = require('webpage');6console.log(webpage.isConstructor(webpage));7var webserver = require('webserver');8console.log(webserver.isConstructor(webserver));9var webpage = require('webpage');10console.log(webpage.isConstructor(webpage));11var webserver = require('webserver');12console.log(webserver.isConstructor(webserver));13var webpage = require('webpage');14console.log(webpage.isConstructor(webpage));15var webserver = require('webserver');16console.log(webserver.isConstructor(webserver));17var webpage = require('webpage');18console.log(webpage.isConstructor(webpage));19var webserver = require('webserver');20console.log(webserver.isConstructor(webserver));21var webpage = require('webpage');22console.log(webpage.isConstructor(webpage));23var webserver = require('webserver');24console.log(webserver.isConstructor(webserver));25var webpage = require('webpage');26console.log(webpage.isConstructor(webpage));27var webserver = require('webserver');28console.log(webserver.isConstructor(webserver));29var webpage = require('webpage');30console.log(webpage.isConstructor(webpage));31var webserver = require('webserver');32console.log(webserver.isConstructor(webserver));33var webpage = require('webpage');34console.log(webpage.isConstructor(webpage));

Using AI Code Generation

1'use strict';2const common = require('../../common.js');3const wpt = require('wpt');4const bench = common.createBenchmark(main, {5});6function main({ n }) {7  bench.start();8  for (let i = 0; i < n; i++) {9    wpt.isConstructor(() => {});10  }11  bench.end(n);12}13'use strict';14const common = require('../../common.js');15const util = require('util');16const bench = common.createBenchmark(main, {17});18function main({ n }) {19  bench.start();20  for (let i = 0; i < n; i++) {21    util.types.isConstructor(() => {});22  }23  bench.end(n);24}25'use strict';26const common = require('../../common.js');27const util = require('util');28const bench = common.createBenchmark(main, {29});30function main({ n }) {31  bench.start();32  for (let i = 0; i < n; i++) {33    util.types.isConstructor(() => {});34  }35  bench.end(n);36}37'use strict';38const common = require('../../common.js');39const util = require('util');40const bench = common.createBenchmark(main, {41});42function main({ n }) {43  bench.start();44  for (let i = 0; i < n; i++) {45    util.types.isConstructor(() => {});46  }47  bench.end(n);48}49'use strict';50const common = require('../../common.js');51const util = require('util');52const bench = common.createBenchmark(main, {53});54function main({ n }) {55  bench.start();56  for (let i = 0; i < n; i++) {57    util.types.isConstructor(() => {});58  }59  bench.end(n);60}61'use strict';62const common = require('../../common.js');63const util = require('util');64const bench = common.createBenchmark(main, {

Using AI Code Generation

1var wpt = require('wpt');2var assert = require('assert');3var isConstructor = wpt.isConstructor;4assert.strictEqual(isConstructor(Object), true);5assert.strictEqual(isConstructor(function(){}), true);6assert.strictEqual(isConstructor(Array), true);7assert.strictEqual(isConstructor(String), true);8assert.strictEqual(isConstructor(Number), true);9assert.strictEqual(isConstructor(Boolean), true);10assert.strictEqual(isConstructor(RegExp), true);11assert.strictEqual(isConstructor(Error), true);12assert.strictEqual(isConstructor(Date), true);13assert.strictEqual(isConstructor(Map), true);14assert.strictEqual(isConstructor(Set), true);15assert.strictEqual(isConstructor(WeakMap), true);16assert.strictEqual(isConstructor(WeakSet), true);17assert.strictEqual(isConstructor(Promise), true);18assert.strictEqual(isConstructor(Symbol), true);19assert.strictEqual(isConstructor(function*(){}), true);20assert.strictEqual(isConstructor(Int8Array), true);21assert.strictEqual(isConstructor(Uint8Array), true);22assert.strictEqual(isConstructor(Uint8ClampedArray), true);23assert.strictEqual(isConstructor(Int16Array), true);24assert.strictEqual(isConstructor(Uint16Array), true);25assert.strictEqual(isConstructor(Int32Array), true);26assert.strictEqual(isConstructor(Uint32Array), true);27assert.strictEqual(isConstructor(Float32Array), true);28assert.strictEqual(isConstructor(Float64Array), true);29assert.strictEqual(isConstructor(ArrayBuffer), true);30assert.strictEqual(isConstructor(Intl.Collator), true);31assert.strictEqual(isConstructor(Intl.DateTimeFormat), true);32assert.strictEqual(isConstructor(Intl.NumberFormat), true);33assert.strictEqual(isConstructor(Intl.PluralRules), true);34assert.strictEqual(isConstructor(Intl.RelativeTimeFormat), true);35assert.strictEqual(isConstructor(Reflect), true);36assert.strictEqual(isConstructor(Proxy), true);37assert.strictEqual(isConstructor(Math), true);38assert.strictEqual(isConstructor(JSON), true);39assert.strictEqual(isConstructor(Atomics), true);40assert.strictEqual(isConstructor(SharedArrayBuffer), true);41assert.strictEqual(isConstructor(WebAssembly), true);42assert.strictEqual(isConstructor(Intl), true);43assert.strictEqual(isConstructor(Reflect), true);44assert.strictEqual(isConstructor(Proxy), true);45assert.strictEqual(isConstructor(new Object()), false);46assert.strictEqual(isConstructor(new Array()), false);47assert.strictEqual(isConstructor(new String()), false);48assert.strictEqual(isConstructor(new Number()), false);49assert.strictEqual(isConstructor(new Boolean()), false);50assert.strictEqual(isConstructor(new RegExp()), false);51assert.strictEqual(isConstructor(new Error()), false);52assert.strictEqual(isConstructor(new Date()), false);53assert.strictEqual(isConstructor(new Map()),

Using AI Code Generation

1var wpt = require('webpage');2var page = wpt.create();3page.open(url, function (status) {4    if (status === 'success') {5        var title = page.evaluate(function () {6            return document.title;7        });8        console.log('Page title is ' + title);9        if (wpt.isConstructor(page)) {10            console.log('page is a constructor');11        }12    }13    phantom.exit();14});15var wpt = require('webpage');16var page = wpt.create();17page.open(url, function (status) {18    if (status === 'success') {19        var title = page.evaluate(function () {20            return document.title;21        });22        console.log('Page title is ' + title);23        if (wpt.isConstructor(page)) {24            console.log('page is a constructor');25        }26    }27    phantom.exit();28});29Error: TypeError: 'undefined' is not a function (evaluating 'wpt.isConstructor(page)') in test.js at line 1530var wpt = require('webpage');31var page = wpt.create();32page.open(url, function (status) {33    if (status === 'success') {34        var title = page.evaluate(function () {35            return document.title;36        });37        console.log('Page title is ' + title);38        if (wpt.isConstructor(page)) {39            console.log('page is a constructor');40        }41    }42    phantom.exit();43});

Using AI Code Generation

1var isConstructor = wpt.isConstructor;2var isConstructor = wpt.isConstructor;3var isConstructor = wpt.isConstructor;4var isConstructor = wpt.isConstructor;5function isConstructor(obj) {6    try {7        new obj();8    } catch (e) {9        return false;10    }11    return true;12}13var isConstructor = wpt.isConstructor;14var isConstructor = wpt.isConstructor;15function isConstructor(obj) {16    try {17        new obj();18    } catch (e) {19        return false;20    }21    return true;22}23var isConstructor = wpt.isConstructor;24var isConstructor = wpt.isConstructor;25function isConstructor(obj) {26    try {27        new obj();28    } catch (e) {29        return false;30    }31    return true;32}33var isConstructor = wpt.isConstructor;34var isConstructor = wpt.isConstructor;35function isConstructor(obj) {36    try {37        new obj();38    } catch (e) {39        return false;40    }41    return true;42}43var isConstructor = wpt.isConstructor;44var isConstructor = wpt.isConstructor;45function isConstructor(obj) {46    try {47        new obj();48    } catch (e) {49        return false;50    }51    return true;52}53var isConstructor = wpt.isConstructor;54var isConstructor = wpt.isConstructor;55function isConstructor(obj) {56    try {57        new obj();58    } catch (e) {59        return false;60    }61    return true;62}63var isConstructor = wpt.isConstructor;64var isConstructor = wpt.isConstructor;65function isConstructor(obj) {66    try {67        new obj();68    } catch (e) {69        return false;70    }71    return true;72}73var isConstructor = wpt.isConstructor;74var isConstructor = wpt.isConstructor;75function isConstructor(obj) {76    try {77        new obj();78    } catch (e) {79        return false;80    }81    return true;82}83var isConstructor = wpt.isConstructor;84var isConstructor = wpt.isConstructor;85function isConstructor(obj) {86    try {87        new obj();88    } catch (e) {89        return false;90    }91    return true;92}93var isConstructor = wpt.isConstructor;94var isConstructor = wpt.isConstructor;95function isConstructor(obj) {96    try {

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var isConstructor = wptoolkit.isConstructor;3function Person(name) {4  this.name = name;5}6var person = new Person("John");7var wptoolkit = require('wptoolkit');8var isConstructor = wptoolkit.isConstructor;9function Person(name) {10  this.name = name;11}12var person = new Person("John");13var wptoolkit = require('wptoolkit');14var isConstructor = wptoolkit.isConstructor;15function Person(name) {16  this.name = name;17}18var person = new Person("John");19var wptoolkit = require('wptoolkit');20var isConstructor = wptoolkit.isConstructor;21function Person(name) {22  this.name = name;23}24var person = new Person("John");25var wptoolkit = require('wptoolkit');26var isConstructor = wptoolkit.isConstructor;27function Person(name) {28  this.name = name;29}30var person = new Person("John");31var wptoolkit = require('wptoolkit');32var isConstructor = wptoolkit.isConstructor;33function Person(name) {34  this.name = name;35}36var person = new Person("John");37var wptoolkit = require('wpt

Using AI Code Generation

1var wpt = require('web-platform-test');2var assert = require('assert');3var isConstructor = wpt.isConstructor;4function test() {}5assert(isConstructor(test) === true);6assert(isConstructor(null) === false);7assert(isConstructor(undefined) === false);8assert(isConstructor(1) === false);9assert(isConstructor({}) === false);10assert(isConstructor([]) === false);11assert(isConstructor(/a/g) === false);12assert(isConstructor(new Date()) === false);13assert(isConstructor(new Error()) === false);14assert(isConstructor(new Number(1)) === false);15assert(isConstructor(new Boolean(false)) === false);16assert(isConstructor(new String('a')) === false);17assert(isConstructor(new RegExp('a')) === false);18assert(isConstructor(new Array(1)) === false);19assert(isConstructor(new ArrayBuffer(1)) === false);20assert(isConstructor(new DataView(new ArrayBuffer(1))) === false);21assert(isConstructor(new Float32Array(1)) === false);22assert(isConstructor(new Float64Array(1)) === false);23assert(isConstructor(new Int8Array(1)) === false);24assert(isConstructor(new Int16Array(1)) === false);25assert(isConstructor(new Int32Array(1)) === false);26assert(isConstructor(new Uint8Array(1)) === false);27assert(isConstructor(new Uint16Array(1)) === false);28assert(isConstructor(new Uint32Array(1)) === false);29assert(isConstructor(new Uint8ClampedArray(1)) === false);30assert(isConstructor(new Map()) === false);31assert(isConstructor(new Set()) === false);32assert(isConstructor(new WeakMap()) === false);33assert(isConstructor(new WeakSet()) === false);34assert(isConstructor(new Promise(() => {})) === false);35assert(isConstructor(new Proxy({}, {})) === false);36assert(isConstructor(new Symbol()) === false);37assert(isConstructor(Object.create(null)) === false);38assert(isConstructor(Object.create({})) === false);39assert(isConstructor(Object.create(function() {})) === false);40assert(isConstructor(Object.create(test)) === false);41assert(isConstructor(Object.create(null, {prop: {value: 42}})) === false);42assert(isConstructor(Object.create({}, {prop: {value: 42}})) === false);43assert(isConstructor(Object.create(function() {}, {prop: {value: 42}})) === false);44assert(isConstructor(Object.create(test, {prop: {value: 42}})) === false);45assert(is

Using AI Code Generation

1var assert = require('assert');2var wpt = require('webpage-test');3var isConstructor = wpt.isConstructor;4assert.ok(isConstructor(function(){}), 'function is a constructor');5assert.ok(isConstructor(Date), 'Date is a constructor');6assert.ok(isConstructor(new Date()), 'Date instance is a constructor');7assert.ok(isConstructor(new Function()), 'Function instance is a constructor');8assert.ok(isConstructor(new Object()), 'Object instance is a constructor');9assert.ok(isConstructor(new Array()), 'Array instance is a constructor');10assert.ok(isConstructor(new RegExp()), 'RegExp instance is a constructor');11assert.ok(isConstructor(new String()), 'String instance is a constructor');12assert.ok(isConstructor(new Number()), 'Number instance is a constructor');13assert.ok(isConstructor(new Boolean()), 'Boolean instance is a constructor');14assert.ok(!isConstructor({}), 'Object is not a constructor');15assert.ok(!isConstructor([]), 'Array is not a constructor');16assert.ok(!isConstructor(/./), 'RegExp is not a constructor');17assert.ok(!isConstructor(''), 'String is not a constructor');18assert.ok(!isConstructor(1), 'Number is not a constructor');19assert.ok(!isConstructor(true), 'Boolean is not a constructor');20assert.ok(!isConstructor(null), 'null is not a constructor');21assert.ok(!isConstructor(undefined), 'undefined is not a constructor');22assert.ok(!isConstructor('function(){}'), 'String is not a constructor');23assert.ok(!isConstructor(1), 'Number is not a constructor');24assert.ok(!isConstructor(true), 'Boolean is not a constructor');25assert.ok(!isConstructor(null), 'null is not a constructor');26assert.ok(!isConstructor(undefined), 'undefined is not a constructor');27assert.ok(!isConstructor('function(){}'), 'String is not a constructor');28assert.ok(!isConstructor(1), 'Number is not a constructor');29assert.ok(!isConstructor(true), 'Boolean is not a constructor');30assert.ok(!isConstructor(null), 'null is not a constructor');31assert.ok(!isConstructor(undefined), 'undefined is not a constructor');32assert.ok(!isConstructor('function(){}'), 'String is not a constructor');33assert.ok(!isConstructor(1), 'Number is not a constructor');34assert.ok(!isConstructor(true), 'Boolean is not a constructor');35assert.ok(!isConstructor(null), 'null is not a constructor');36assert.ok(!isConstructor(undefined), 'undefined is not a

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.