How to use isFunction method in Cypress

1// Popover2(function( $ ) {3	'use strict';4	if ( $.isFunction( $.fn['popover'] ) ) {5		$( '[data-toggle=popover]' ).popover();6	}7}).apply( this, [ jQuery ]);8// Tooltip9(function( $ ) {10	'use strict';11	if ( $.isFunction( $.fn['tooltip'] ) ) {12		$( '[data-toggle=tooltip],[rel=tooltip]' ).tooltip({ container: 'body' });13	}14}).apply( this, [ jQuery ]);15// Sidebar Widgets16(function( $ ) {17	'use strict';18	function expand( content ) {19		content.children( '.widget-content' ).slideDown( 'fast', function() {20			$(this).css( 'display', '' );21			content.removeClass( 'widget-collapsed' );22		});23	}24	function collapse( content ) {25		content.children('.widget-content' ).slideUp( 'fast', function() {26			content.addClass( 'widget-collapsed' );27			$(this).css( 'display', '' );28		});29	}30	var $widgets = $( '.sidebar-widget' );31	$widgets.each( function() {32		var $widget = $( this ),33			$toggler = $widget.find( '.widget-toggle' );34		$toggler.on('click.widget-toggler', function() {35			$widget.hasClass('widget-collapsed') ? expand($widget) : collapse($widget);36		});37	});38}).apply( this, [ jQuery ]);39// Codemirror40(function( $ ) {41	'use strict';42	if ( typeof CodeMirror !== 'undefined' ) {43		$(function() {44			$('[data-plugin-codemirror]').each(function() {45				var $this = $( this ),46					opts = {};47				var pluginOptions = $this.data('plugin-options');48				if (pluginOptions)49					opts = pluginOptions;50				$this.themePluginCodeMirror(opts);51			});52		});53	}54}).apply(this, [ jQuery ]);55// Colorpicker56(function( $ ) {57	'use strict';58	if ( $.isFunction($.fn[ 'colorpicker' ]) ) {59		$(function() {60			$('[data-plugin-colorpicker]').each(function() {61				var $this = $( this ),62					opts = {};63				var pluginOptions = $this.data('plugin-options');64				if (pluginOptions)65					opts = pluginOptions;66				$this.themePluginColorPicker(opts);67			});68		});69	}70}).apply(this, [ jQuery ]);71// Datepicker72(function( $ ) {73	'use strict';74	if ( $.isFunction($.fn[ 'datepicker' ]) ) {75		$(function() {76			$('[data-plugin-datepicker]').each(function() {77				var $this = $( this ),78					opts = {};79				var pluginOptions = $this.data('plugin-options');80				if (pluginOptions)81					opts = pluginOptions;82				$this.themePluginDatePicker(opts);83			});84		});85	}86}).apply(this, [ jQuery ]);87// iosSwitcher88(function( $ ) {89	'use strict';90	if ( typeof Switch !== 'undefined' && $.isFunction( Switch ) ) {91		$(function() {92			$('[data-plugin-ios-switch]').each(function() {93				var $this = $( this );94				$this.themePluginIOS7Switch();95			});96		});97	}98}).apply(this, [ jQuery ]);99// Markdown100(function( $ ) {101	'use strict';102	if ( $.isFunction($.fn[ 'markdown' ]) ) {103		$(function() {104			$('[data-plugin-markdown-editor]').each(function() {105				var $this = $( this ),106					opts = {};107				var pluginOptions = $this.data('plugin-options');108				if (pluginOptions)109					opts = pluginOptions;110				$this.themePluginMarkdownEditor(opts);111			});112		});113	}114}).apply(this, [ jQuery ]);115// Masked Input116(function( $ ) {117	'use strict';118	if ( $.isFunction($.fn[ 'mask' ]) ) {119		$(function() {120			$('[data-plugin-masked-input]').each(function() {121				var $this = $( this ),122					opts = {};123				var pluginOptions = $this.data('plugin-options');124				if (pluginOptions)125					opts = pluginOptions;126				$this.themePluginMaskedInput(opts);127			});128		});129	}130}).apply(this, [ jQuery ]);131// MaxLength132(function( $ ) {133	'use strict';134	if ( $.isFunction( $.fn[ 'maxlength' ]) ) {135		$(function() {136			$('[data-plugin-maxlength]').each(function() {137				var $this = $( this ),138					opts = {};139				var pluginOptions = $this.data('plugin-options');140				if (pluginOptions)141					opts = pluginOptions;142				$this.themePluginMaxLength(opts);143			});144		});145	}146}).apply(this, [ jQuery ]);147// MultiSelect148(function( $ ) {149	'use strict';150	if ( $.isFunction( $.fn[ 'multiselect' ] ) ) {151		$(function() {152			$( '[data-plugin-multiselect]' ).each(function() {153				var $this = $( this ),154					opts = {};155				var pluginOptions = $this.data('plugin-options');156				if (pluginOptions)157					opts = pluginOptions;158				$this.themePluginMultiSelect(opts);159			});160		});161	}162}).apply( this, [ jQuery ]);163(function( $ ) {164	'use strict';165	if ( $.isFunction( $.fn[ 'placeholder' ]) ) {166		$('input[placeholder]').placeholder();167	}168}).apply(this, [ jQuery ]);169// Select2170(function( $ ) {171	'use strict';172	if ( $.isFunction($.fn[ 'select2' ]) ) {173		$(function() {174			$('[data-plugin-selectTwo]').each(function() {175				var $this = $( this ),176					opts = {};177				var pluginOptions = $this.data('plugin-options');178				if (pluginOptions)179					opts = pluginOptions;180				$this.themePluginSelect2(opts);181			});182		});183	}184}).apply(this, [ jQuery ]);185// Spinner186(function( $ ) {187	'use strict';188	if ( $.isFunction($.fn[ 'spinner' ]) ) {189		$(function() {190			$('[data-plugin-spinner]').each(function() {191				var $this = $( this ),192					opts = {};193				var pluginOptions = $this.data('plugin-options');194				if (pluginOptions)195					opts = pluginOptions;196				$this.themePluginSpinner(opts);197			});198		});199	}200}).apply(this, [ jQuery ]);201// SummerNote202(function( $ ) {203	'use strict';204	if ( $.isFunction($.fn[ 'summernote' ]) ) {205		$(function() {206			$('[data-plugin-summernote]').each(function() {207				var $this = $( this ),208					opts = {};209				var pluginOptions = $this.data('plugin-options');210				if (pluginOptions)211					opts = pluginOptions;212				$this.themePluginSummerNote(opts);213			});214		});215	}216}).apply(this, [ jQuery ]);217// TextArea AutoSize218(function( $ ) {219	'use strict';220	if ( $.isFunction($.fn[ 'autosize' ]) ) {221		$(function() {222			$('[data-plugin-textarea-autosize]').each(function() {223				var $this = $( this ),224					opts = {};225				var pluginOptions = $this.data('plugin-options');226				if (pluginOptions)227					opts = pluginOptions;228				$this.themePluginTextAreaAutoSize(opts);229			});230		});231	}232}).apply(this, [ jQuery ]);233// TimePicker234(function( $ ) {235	'use strict';236	if ( $.isFunction($.fn[ 'timepicker' ]) ) {237		$(function() {238			$('[data-plugin-timepicker]').each(function() {239				var $this = $( this ),240					opts = {};241				var pluginOptions = $this.data('plugin-options');242				if (pluginOptions)243					opts = pluginOptions;244				$this.themePluginTimePicker(opts);245			});246		});247	}248}).apply(this, [ jQuery ]);249// Mailbox250(function( $ ) {251	'use strict';252	$(function() {253		$('[data-mailbox]').each(function() {254			var $this = $( this );255			$this.themeMailbox();256		});257	});258}).apply(this, [ jQuery ]);259// Animate260(function( $ ) {261	'use strict';262	if ( $.isFunction($.fn[ 'appear' ]) ) {263		$(function() {264			$('[data-plugin-animate], [data-appear-animation]').each(function() {265				var $this = $( this ),266					opts = {};267				var pluginOptions = $this.data('plugin-options');268				if (pluginOptions)269					opts = pluginOptions;270				$this.themePluginAnimate(opts);271			});272		});273	}274}).apply(this, [ jQuery ]);275// Carousel276(function( $ ) {277	'use strict';278	if ( $.isFunction($.fn[ 'owlCarousel' ]) ) {279		$(function() {280			$('[data-plugin-carousel]').each(function() {281				var $this = $( this ),282					opts = {};283				var pluginOptions = $this.data('plugin-options');284				if (pluginOptions)285					opts = pluginOptions;286				$this.themePluginCarousel(opts);287			});288		});289	}290}).apply(this, [ jQuery ]);291// Chart Circular292(function( $ ) {293	'use strict';294	if ( $.isFunction($.fn[ 'easyPieChart' ]) ) {295		$(function() {296			$('[data-plugin-chart-circular], .circular-bar-chart:not(.manual)').each(function() {297				var $this = $( this ),298					opts = {};299				var pluginOptions = $this.data('plugin-options');300				if (pluginOptions)301					opts = pluginOptions;302				$this.themePluginChartCircular(opts);303			});304		});305	}306}).apply(this, [ jQuery ]);307// Lightbox308(function( $ ) {309	'use strict';310	if ( $.isFunction($.fn[ 'magnificPopup' ]) ) {311		$(function() {312			$('[data-plugin-lightbox], .lightbox:not(.manual)').each(function() {313				var $this = $( this ),314					opts = {};315				var pluginOptions = $this.data('plugin-options');316				if (pluginOptions)317					opts = pluginOptions;318				$this.themePluginLightbox(opts);319			});320		});321	}322}).apply(this, [ jQuery ]);323// Portlets324(function( $ ) {325	'use strict';326	$(function() {327		$('[data-plugin-portlet]').each(function() {328			var $this = $( this ),329				opts = {};330			var pluginOptions = $this.data('plugin-options');331			if (pluginOptions)332				opts = pluginOptions;333			$this.themePluginPortlet(opts);334		});335	});336}).apply(this, [ jQuery ]);337// Slider338(function( $ ) {339	'use strict';340	if ( $.isFunction($.fn[ 'slider' ]) ) {341		$(function() {342			$('[data-plugin-slider]').each(function() {343				var $this = $( this ),344					opts = {};345				var pluginOptions = $this.data('plugin-options');346				if (pluginOptions) {347					opts = pluginOptions;348				}349				$this.themePluginSlider(opts);350			});351		});352	}353}).apply(this, [ jQuery ]);354// Toggle355(function( $ ) {356	'use strict';357	$(function() {358		$('[data-plugin-toggle]').each(function() {359			var $this = $( this ),360				opts = {};361			var pluginOptions = $this.data('plugin-options');362			if (pluginOptions)363				opts = pluginOptions;364			$this.themePluginToggle(opts);365		});366	});367}).apply(this, [ jQuery ]);368// Widget - Todo369(function( $ ) {370	'use strict';371	if ( $.isFunction($.fn[ 'themePluginWidgetTodoList' ]) ) {372		$(function() {373			$('[data-plugin-todo-list], ul.widget-todo-list').each(function() {374				var $this = $( this ),375					opts = {};376				var pluginOptions = $this.data('plugin-options');377				if (pluginOptions)378					opts = pluginOptions;379				$this.themePluginWidgetTodoList(opts);380			});381		});382	}383}).apply(this, [ jQuery ]);384// Widget - Toggle385(function( $ ) {386	'use strict';387	if ( $.isFunction($.fn[ 'themePluginWidgetToggleExpand' ]) ) {388		$(function() {389			$('[data-plugin-toggle-expand], .widget-toggle-expand').each(function() {390				var $this = $( this ),391					opts = {};392				var pluginOptions = $this.data('plugin-options');393				if (pluginOptions)394					opts = pluginOptions;395				$this.themePluginWidgetToggleExpand(opts);396			});397		});398	}399}).apply(this, [ jQuery ]);400// Word Rotate401(function( $ ) {402	'use strict';403	if ( $.isFunction($.fn[ 'themePluginWordRotate' ]) ) {404		$(function() {405			$('[data-plugin-word-rotate], .word-rotate:not(.manual)').each(function() {406				var $this = $( this ),407					opts = {};408				var pluginOptions = $this.data('plugin-options');409				if (pluginOptions)410					opts = pluginOptions;411				$this.themePluginWordRotate(opts);412			});413		});414	}...

1let assert = require('chai').assert;2describe('Can load components from package', () => {3	let webWombat = require("../../index.js");4	it('WombatServer is loaded', () => {5		assert.isFunction(webWombat.WombatServer);6	});7	it('BaseController is loaded', () => {8		assert.isFunction(webWombat.BaseController);9	});10	it('ResourceController is loaded', () => {11		assert.isFunction(webWombat.ResourceController);12	});13	it('WebSocketController is loaded', () => {14		assert.isFunction(webWombat.WebSocketController);15	});16	it('Route is loaded', () => {17		assert.isFunction(webWombat.Route);18	});19	it('RouteGroup is loaded', () => {20		assert.isFunction(webWombat.RouteGroup);21	});22	it('RouteService is loaded', () => {23		assert.isFunction(webWombat.RouteService);24	});25	it('BaseMiddleware is loaded', () => {26		assert.isFunction(webWombat.BaseMiddleware);27	});28	it('MiddlewareProvider is loaded', () => {29		assert.isFunction(webWombat.MiddlewareProvider);30	});31	it('BaseCollection is loaded', () => {32		assert.isFunction(webWombat.BaseCollection);33	});34	it('BaseDocument is loaded', () => {35		assert.isFunction(webWombat.BaseDocument);36	});37	it('BaseField is loaded', () => {38		assert.isFunction(webWombat.BaseField);39	});40	it('Built in field types are loaded', () => {41		assert.isObject(webWombat.fieldTypes);42	});43	it('TextField field type is loaded', () => {44		assert.isFunction(webWombat.fieldTypes.TextField);45	});46	it('CollectionsProvider is loaded', () => {47		assert.isFunction(webWombat.CollectionsProvider);48	});49	it('TemplateInterface is loaded', () => {50		assert.isFunction(webWombat.TemplateInterface);51	});52	it('Built in template connectors are loaded', () => {53		assert.isObject(webWombat.templateConnectors);54	});55	it('Blade template connector is loaded', () => {56		assert.isFunction(webWombat.templateConnectors.BladeConnector);57	});58	it('Handlebars template connector is loaded', () => {59		assert.isFunction(webWombat.templateConnectors.HandlebarsConnector);60	});61	it('HTML template connector is loaded', () => {62		assert.isFunction(webWombat.templateConnectors.HTMLConnector);63	});64	it('Mustache template connector is loaded', () => {65		assert.isFunction(webWombat.templateConnectors.MustacheConnector);66	});67	it('Pug template connector is loaded', () => {68		assert.isFunction(webWombat.templateConnectors.PugConnector);69	});70	it('FormBuilder is loaded', () => {71		assert.isFunction(webWombat.FormBuilder);72	});73	it('AuthenticationService is loaded', () => {74		assert.isFunction(webWombat.AuthenticationService);75	});76	it('AuthenticationSourceInterface is loaded', () => {77		assert.isFunction(webWombat.AuthenticationSourceInterface);78	});79	it('Built in authentication sources are loaded', () => {80		assert.isObject(webWombat.authenticationSources);81	});82	it('Database authentication source is loaded', () => {83		assert.isFunction(webWombat.authenticationSources.DatabaseAuthenticationSource);84	});85	it('Memory authentication source is loaded', () => {86		assert.isFunction(webWombat.authenticationSources.MemoryAuthenticationSource);87	});...

...16} from './utils.js';17import isFunction from '../isFunction.js';18describe('isFunction', function() {19  it('should return `true` for functions', function() {20    assert.strictEqual(isFunction(_), true);21    assert.strictEqual(isFunction(slice), true);22  });23  it('should return `true` for async functions', function() {24    assert.strictEqual(isFunction(asyncFunc), typeof asyncFunc == 'function');25  });26  it('should return `true` for generator functions', function() {27    assert.strictEqual(isFunction(genFunc), typeof genFunc == 'function');28  });29  it('should return `true` for the `Proxy` constructor', function() {30    if (Proxy) {31      assert.strictEqual(isFunction(Proxy), true);32    }33  });34  it('should return `true` for array view constructors', function() {35    var expected = lodashStable.map(arrayViews, function(type) {36      return objToString.call(root[type]) == funcTag;37    });38    var actual = lodashStable.map(arrayViews, function(type) {39      return isFunction(root[type]);40    });41    assert.deepStrictEqual(actual, expected);42  });43  it('should return `false` for non-functions', function() {44    var expected = lodashStable.map(falsey, stubFalse);45    var actual = lodashStable.map(falsey, function(value, index) {46      return index ? isFunction(value) : isFunction();47    });48    assert.deepStrictEqual(actual, expected);49    assert.strictEqual(isFunction(args), false);50    assert.strictEqual(isFunction([1, 2, 3]), false);51    assert.strictEqual(isFunction(true), false);52    assert.strictEqual(isFunction(new Date), false);53    assert.strictEqual(isFunction(new Error), false);54    assert.strictEqual(isFunction({ 'a': 1 }), false);55    assert.strictEqual(isFunction(1), false);56    assert.strictEqual(isFunction(/x/), false);57    assert.strictEqual(isFunction('a'), false);58    assert.strictEqual(isFunction(symbol), false);59    if (document) {60      assert.strictEqual(isFunction(document.getElementsByTagName('body')), false);61    }62  });63  it('should work with a function from another realm', function() {64    if (realm.function) {65      assert.strictEqual(isFunction(realm.function), true);66    }67  });...

...3import {isFunction} from '../../build/resources/main/lib/util/value/isFunction';4import {OBJ} from '../object/testdata';5describe('value', () => {6	describe('isFunction', () => {7		it('isFunction(fn) --> true', () => deepStrictEqual(isFunction(OBJ.fn), true));8		it('isFunction() --> false', () => deepStrictEqual(isFunction(), false));9		it('isFunction(undefined) --> false', () => deepStrictEqual(isFunction(undefined), false));10		it('isFunction(null) --> false', () => deepStrictEqual(isFunction(null), false));11		it("isFunction('') --> false", () => deepStrictEqual(isFunction(''), false));12		it('isFunction("") --> false', () => deepStrictEqual(isFunction(""), false)); // eslint-disable-line quotes13		it("isFunction('foo') --> false", () => deepStrictEqual(isFunction('foo'), false));14		it('isFunction({}) --> false', () => deepStrictEqual(isFunction({}), false));15		it('isFunction(obj) --> false', () => deepStrictEqual(isFunction(OBJ), false));16		it('isFunction([]) --> false', () => deepStrictEqual(isFunction([]), false));17		it('isFunction(42) --> false', () => deepStrictEqual(isFunction(42), false));18		it('isFunction(0) --> false', () => deepStrictEqual(isFunction(0), false));19		it('isFunction(-0) --> false', () => deepStrictEqual(isFunction(-0), false));20		it('isFunction(-42) --> false', () => deepStrictEqual(isFunction(-42), false));21		it('isFunction(3.14) --> false', () => deepStrictEqual(isFunction(3.14), false));22		it('isFunction(0.0) --> false', () => deepStrictEqual(isFunction(0.0), false));23		it('isFunction(-0.0) --> false', () => deepStrictEqual(isFunction(-0.0), false));24		it('isFunction(-3.14) --> false', () => deepStrictEqual(isFunction(-3.14), false));25		it('isFunction(true) --> false', () => deepStrictEqual(isFunction(true), false));26		it('isFunction(false) --> false', () => deepStrictEqual(isFunction(false), false));27		it('isFunction(Infinity) --> false', () => deepStrictEqual(isFunction(Infinity), false));28		it('isFunction(-Infinity) --> false', () => deepStrictEqual(isFunction(-Infinity), false));29		it('isFunction(NaN) --> false', () => deepStrictEqual(isFunction(NaN), false));30		it('isFunction(new Date()) --> false', () => deepStrictEqual(isFunction(new Date()), false));31	});...

...4  , arrowFunctionIfSupported = require("../_lib/arrow-function-if-supported")5  , classIfSupported         = require("../_lib/class-if-supported");6describe("function/is", function () {7	it("Should return true on function", function () {8		assert.equal(isFunction(function () { return true; }), true);9	});10	if (arrowFunctionIfSupported) {11		it("Should return true on arrow function", function () {12			assert.equal(isFunction(arrowFunctionIfSupported), true);13		});14	}15	if (classIfSupported) {16		it("Should return true on class", function () {17			assert.equal(isFunction(classIfSupported), true);18		});19	}20	it("Should return false on reg-exp", function () { assert.equal(isFunction(/foo/), false); });21	it("Should return false on plain object", function () { assert.equal(isFunction({}), false); });22	it("Should return false on array", function () { assert.equal(isFunction([]), false); });23	if (typeof Object.create === "function") {24		it("Should return false on object with no prototype", function () {25			assert.equal(isFunction(Object.create(null)), false);26		});27	}28	it("Should return false on string", function () { assert.equal(isFunction("foo"), false); });29	it("Should return false on empty string", function () { assert.equal(isFunction(""), false); });30	it("Should return false on number", function () { assert.equal(isFunction(123), false); });31	it("Should return false on NaN", function () { assert.equal(isFunction(NaN), false); });32	it("Should return false on boolean", function () { assert.equal(isFunction(true), false); });33	if (typeof Symbol === "function") {34		it("Should return false on symbol", function () {35			assert.equal(isFunction(Symbol("foo")), false);36		});37	}38	it("Should return false on null", function () { assert.equal(isFunction(null), false); });39	it("Should return false on undefined", function () {40		assert.equal(isFunction(void 0), false);41	});...

2test('should return `true` for functions', function() {3    let func = function() {4        5    };6    expect(isFunction(func)).toBe(true);7});8test('should return `true` for async functions', function() {9    let asyncFunc = () => {10        return Function('return async () => {}');11    };12    expect(isFunction(asyncFunc)).toBe(true);13});14test('should return `true` for generator functions', function() {15    let genFunc = () => {16        return Function('return function*(){}');17    };18    expect(isFunction(genFunc)).toBe(true);19});20test('should return `false` for non-functions', function() {21    expect(isFunction(null)).toBe(false);22    expect(isFunction(NaN)).toBe(false);23    expect(isFunction(arguments)).toBe(false);24    expect(isFunction(undefined)).toBe(false);25    expect(isFunction(new Date)).toBe(false);26    expect(isFunction(new Error)).toBe(false);27    expect(isFunction([1, 2, 3])).toBe(false);28    expect(isFunction([])).toBe(false);29    expect(isFunction({ '0': 1, 'length': 1 })).toBe(false);30    expect(isFunction({})).toBe(false);31    expect(isFunction('a')).toBe(false);32    expect(isFunction('')).toBe(false);33    expect(isFunction(1)).toBe(false);34    expect(isFunction(0)).toBe(false);35    expect(isFunction(true)).toBe(false);36    expect(isFunction(false)).toBe(false);37    expect(isFunction(/x/)).toBe(false);38    expect(isFunction()).toBe(false);...

...29}30test('dataset#api', (ava) => {31  ava.true(isObject(dataset))32  const ds = new DataSet()33  ava.true(isFunction(ds.setTransfer))34  ava.true(isFunction(ds.collection))35  ava.true(isFunction(ds.reset))36  var database = ds.collection(DataStudent)37  ava.true(isObject(database))38  ava.true(isFunction(database.find))39  ava.true(isFunction(database.insert))40  ava.true(isFunction(database.update))41  ava.true(isFunction(database.insertUpdate))42  ava.true(isFunction(database.remove))43  var test1 = database.insert(testStudent1)44  ava.true(isFunction(test1.then))45  var test2 = database.insertUpdate(testStudent1)46  ava.true(isFunction(test2.then))47  var test3 = database.update(testStudent1)48  ava.true(isFunction(test3.then))49  var test4 = database.remove(testStudent2)50  ava.true(isFunction(test4.then))51  ava.true(isFunction(database.find().then))...

1var test = require('tape')2var isFunction = require('./index.js')3test('isFunction', function (t) {4    t.ok(!isFunction(), 'undefined is not a function')5    t.ok(!isFunction(null), 'null is not a function')6    t.ok(!isFunction(''), 'string is not a function')7    t.ok(!isFunction(/a/), 'regex is not a function')8    t.ok(!isFunction(true), 'true is not a function')9    t.ok(!isFunction(false), 'false is not a function')10    t.ok(!isFunction(NaN), 'NaN is not a function')11    t.ok(!isFunction(42), '42 is not a function')12    t.ok(isFunction(function () {}), 'function is a function')13    t.ok(isFunction(setTimeout), 'setTimeout is a function')14    t.end()15})16if (typeof window !== 'undefined') {17    test('browser quirks', function (t) {18        t.plan(2)19        20        t.ok(isFunction(window.alert), 'alert is a function')21        window.testRegExpFromIframe = function (regexp) {22            t.ok(!isFunction(regexp))23        }24        25        var iframe = document.createElement('iframe')26        document.body.appendChild(iframe)27        28        iframe.contentWindow.document.write([29            "<html><body><script type=\"text/javascript\">",30            "parent.testRegExpFromIframe(/a/)",31            "</script></body></html>"32        ].join("\n"));33    })...