How to use findLastIndex method in wpt

Best JavaScript code snippet using wpt

typedarray-findlastindex.js

Source:typedarray-findlastindex.js Github

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...14 Float64Array];15for (var constructor of typedArrayConstructors) {16assertEquals(1, constructor.prototype.findLastIndex.length);17var a = new constructor([21, 22, 23, 24]);18assertEquals(-1, a.findLastIndex(function() { return false; }));19assertEquals(-1, a.findLastIndex(function(val) { return 121 === val; }));20assertEquals(3, a.findLastIndex(function() { return true; }));21assertEquals(1, a.findLastIndex(function(val) { return 22 === val; }), undefined);22assertEquals(2, a.findLastIndex(function(val) { return 23 === val; }), null);23assertEquals(3, a.findLastIndex(function(val) { return 24 === val; }));24//25// Test predicate is not called when array is empty26//27(function() {28 var a = new constructor([]);29 var l = -1;30 var o = -1;31 var v = -1;32 var k = -1;33 a.findLastIndex(function(val, key, obj) {34 o = obj;35 l = obj.length;36 v = val;37 k = key;38 return false;39 });40 assertEquals(-1, l);41 assertEquals(-1, o);42 assertEquals(-1, v);43 assertEquals(-1, k);44})();45//46// Test predicate is called with correct arguments47//48(function() {49 var a = new constructor([5]);50 var l = -1;51 var o = -1;52 var v = -1;53 var k = -1;54 var index = a.findLastIndex(function(val, key, obj) {55 o = obj;56 l = obj.length;57 v = val;58 k = key;59 return false;60 });61 assertArrayEquals(a, o);62 assertEquals(a.length, l);63 assertEquals(5, v);64 assertEquals(0, k);65 assertEquals(-1, index);66})();67//68// Test predicate is called array.length times69//70(function() {71 var a = new constructor([1, 2, 3, 4, 5]);72 var l = 0;73 a.findLastIndex(function() {74 l++;75 return false;76 });77 assertEquals(a.length, l);78})();79//80// Test array modifications81//82(function() {83 a = new constructor([1, 2, 3]);84 a.findLastIndex(function(val, key) { a[key] = ++val; return false; });85 assertArrayEquals([2, 3, 4], a);86 assertEquals(3, a.length);87})();88//89// Test thisArg90//91(function() {92 // Test String as a thisArg93 var index = new constructor([1, 2, 3]).findLastIndex(function(val, key) {94 return this.charAt(Number(key)) === String(val);95 }, "321");96 assertEquals(1, index);97 // Test object as a thisArg98 var thisArg = {99 elementAt: function(key) {100 return this[key];101 }102 };103 Array.prototype.push.apply(thisArg, [3, 2, 1]);104 index = new constructor([1, 2, 3]).findLastIndex(function(val, key) {105 return this.elementAt(key) === val;106 }, thisArg);107 assertEquals(1, index);108 // Create a new object in each function call when receiver is a109 // primitive value. See ECMA-262, Annex C.110 a = [];111 new constructor([1, 2]).findLastIndex(function() { a.push(this) }, "");112 assertTrue(a[0] !== a[1]);113 // Do not create a new object otherwise.114 a = [];115 new constructor([1, 2]).findLastIndex(function() { a.push(this) }, {});116 assertEquals(a[0], a[1]);117 // In strict mode primitive values should not be coerced to an object.118 a = [];119 new constructor([1, 2]).findLastIndex(function() { 'use strict'; a.push(this); }, "");120 assertEquals("", a[0]);121 assertEquals(a[0], a[1]);122})();123// Test exceptions124assertThrows('constructor.prototype.findLastIndex.call(null, function() { })',125 TypeError);126assertThrows('constructor.prototype.findLastIndex.call(undefined, function() { })',127 TypeError);128assertThrows('constructor.prototype.findLastIndex.apply(null, function() { }, [])',129 TypeError);130assertThrows('constructor.prototype.findLastIndex.apply(undefined, function() { }, [])',131 TypeError);132assertThrows('constructor.prototype.findLastIndex.apply([], function() { }, [])',133 TypeError);134assertThrows('constructor.prototype.findLastIndex.apply({}, function() { }, [])',135 TypeError);136assertThrows('constructor.prototype.findLastIndex.apply("", function() { }, [])',137 TypeError);138assertThrows('new constructor([]).findLastIndex(null)', TypeError);139assertThrows('new constructor([]).findLastIndex(undefined)', TypeError);140assertThrows('new constructor([]).findLastIndex(0)', TypeError);141assertThrows('new constructor([]).findLastIndex(true)', TypeError);142assertThrows('new constructor([]).findLastIndex(false)', TypeError);143assertThrows('new constructor([]).findLastIndex("")', TypeError);144assertThrows('new constructor([]).findLastIndex({})', TypeError);145assertThrows('new constructor([]).findLastIndex([])', TypeError);146assertThrows('new constructor([]).findLastIndex(/\d+/)', TypeError);147// Shadowing length doesn't affect findLastIndex, unlike Array.prototype.findLastIndex148a = new constructor([1, 2]);149Object.defineProperty(a, 'length', {value: 1});150var x = 0;151assertEquals(a.findLastIndex(function(elt) { x += elt; return false; }), -1);152assertEquals(x, 3);153assertEquals(Array.prototype.findLastIndex.call(a,154 function(elt) { x += elt; return false; }), -1);155assertEquals(x, 4);156// Detached Operation157var tmp = {158 [Symbol.toPrimitive]() {159 assertUnreachable("Parameter should not be processed when " +160 "array.[[ViewedArrayBuffer]] is detached.");161 return 0;162 }163};164var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);165%ArrayBufferDetach(array.buffer);166assertThrows(() => array.findLastIndex(tmp), TypeError);167//168// Test detaching in predicate.169//170(function() {171var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);172var values = [];173assertEquals(array.findLastIndex((value, idx) => {174 values.push(value);175 if (value === 5) {176 %ArrayBufferDetach(array.buffer);177 }178}), -1);179assertEquals(values, [10, 9, 8, 7, 6, 5, undefined, undefined, undefined, undefined]);180var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);181assertEquals(array.findLastIndex((value, idx) => {182 if (value !== undefined) {183 %ArrayBufferDetach(array.buffer);184 }185 return idx === 0;186}), 0);187})();...

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Using AI Code Generation

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1var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];2var result = arr.findLastIndex(function (element) {3 return element > 5;4});5console.log(result);6var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];7var result = arr.findLastIndex(function (element) {8 return element > 5;9});10console.log(result);11var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];12var result = arr.findLastIndex(function (element) {13 return element > 5;14});15console.log(result);16var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];17var result = arr.findLastIndex(function (element) {18 return element > 5;19});20console.log(result);21var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];22var result = arr.findLastIndex(function (element) {23 return element > 5;24});25console.log(result);26var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];27var result = arr.findLastIndex(function (element) {28 return element > 5;29});30console.log(result);31var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];

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Using AI Code Generation

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1var array = [1, 2, 3, 4, 5, 6];2var predicate = function(value) {3 return value % 2 == 0;4};5var result = wpt.findLastIndex(array, predicate);6console.log(result);7var array = [1, 2, 3, 4, 5, 6];8var predicate = function(value) {9 return value % 2 == 0;10};11var result = wpt.findLastIndex(array, predicate, 3);12console.log(result);13var array = [1, 2, 3, 4, 5, 6];14var predicate = function(value) {15 return value % 2 == 0;16};17var result = wpt.findLastIndex(array, predicate, 2);18console.log(result);19var array = [1, 2, 3, 4, 5, 6];20var predicate = function(value) {21 return value % 2 == 0;22};23var result = wpt.findLastIndex(array, predicate, 1);24console.log(result);25var array = [1, 2, 3, 4, 5, 6];26var predicate = function(value) {27 return value % 2 == 0;28};29var result = wpt.findLastIndex(array, predicate, 0);30console.log(result);31var array = [1, 2, 3, 4, 5, 6];32var predicate = function(value) {33 return value % 2 == 0;34};35var result = wpt.findLastIndex(array, predicate, -1);36console.log(result);37var array = [1, 2, 3, 4, 5, 6];38var predicate = function(value) {39 return value % 2 == 0;40};

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Using AI Code Generation

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1var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];2var res = arr.findLastIndex(function (element) {3 return (element > 4);4});5arr.findLastIndexBy(callbackfn[, thisArg])6 {id: 1, name: 'John', age: 30},7 {id: 2, name: 'Alex', age: 20},8 {id: 3, name: 'Bob', age: 40},9 {id: 4, name: 'Alice', age: 20},10 {id: 5, name: 'Diana', age: 30},11 {id: 6, name: 'Mike', age: 40}12];13var res = arr.findLastIndexBy(function (element) {14 return (element.age == 20);15});16arr.findLastIndexByDeep(callbackfn[, thisArg])

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Using AI Code Generation

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1var wptools = require('wptools');2var page = wptools.page('Albert Einstein');3page.findLastIndex('birth_date', function(err, resp) {4 if (!err) {5 console.log(resp);6 }7});8{9 "birth_place_coordinates": {10 },11}12### findLastIndex ( property, options, callback )13var wptools = require('wptools');14var page = wptools.page('Albert Einstein');15page.findLastIndex('birth_date', { lang: 'en' }, function(err, resp) {16 if (!err) {17 console.log(resp);18 }19});20{21 "birth_place_coordinates": {22 },23}24### findLastIndexSync ( property, options )

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Using AI Code Generation

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1var arr = [1, 2, 3, 1, 2, 3];2var res = wptb.findLastIndex(arr, function (value, index, array) {3 return value === 2;4});5var res = wptb.findLastIndex(arr, function (value, index, array) {6 return value === 4;7});8var res = wptb.findLastIndex(arr, function (value, index, array) {9 return index === 2;10});11var res = wptb.findLastIndex(arr, function (value, index, array) {12 return index === 10;13});14var res = wptb.findLastIndex(arr, function (value, index, array) {15 return array.length === 6;16});17var res = wptb.findLastIndex(arr, function (value, index, array) {18 return array.length === 10;19});20var res = wptb.findLastIndex(arr, function (value, index, array) {21 return value === 1 && index === 3 && array.length === 6;22});23var res = wptb.findLastIndex(arr, function (value, index, array) {24 return value === 1 && index === 3 && array.length === 10;25});26var res = wptb.findLastIndex(arr, function (value, index, array) {27 return value === 1 && index === 10 && array.length === 10;28});29var res = wptb.findLastIndex(arr, function (value, index, array) {30 return value === 10 && index === 10 && array.length === 10;31});32var res = wptb.findLastIndex(arr, function (value, index, array) {33 return value === 10 && index === 10 && array.length === 6;34});35var res = wptb.findLastIndex(arr, function (value, index, array) {

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Using AI Code Generation

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1function findLastIndex(array, element) {2 return array.lastIndexOf(element);3}4function findLastIndex(array, element) {5 return array.lastIndexOf(element);6}7function findLastIndex(array, element) {8 return array.lastIndexOf(element);9}10function findLastIndex(array, element) {11 return array.lastIndexOf(element);12}13function findLastIndex(array, element) {14 return array.lastIndexOf(element);15}16function findLastIndex(array, element) {17 return array.lastIndexOf(element);18}19function findLastIndex(array, element) {20 return array.lastIndexOf(element);21}22function findLastIndex(array, element) {23 return array.lastIndexOf(element);24}25function findLastIndex(array, element) {26 return array.lastIndexOf(element);27}28function findLastIndex(array, element) {29 return array.lastIndexOf(element);30}31function findLastIndex(array, element) {32 return array.lastIndexOf(element);33}34function findLastIndex(array, element) {35 return array.lastIndexOf(element);36}

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Using AI Code Generation

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1module.exports = function findLastIndex(array, predicate) {2 for (let i = array.length - 1; i >= 0; i--) {3 if (predicate(array[i])) {4 return i;5 }6 }7 return -1;8};9module.exports = function findLast(array, predicate) {10 for (let i = array.length - 1; i >= 0; i--) {11 if (predicate(array[i])) {12 return array[i];13 }14 }15 return undefined;16};17module.exports = function findIndex(array, predicate) {18 for (let i = 0; i < array.length; i++) {19 if (predicate(array[i])) {20 return i;21 }22 }23 return -1;24};25module.exports = function find(array, predicate) {26 for (let i = 0; i < array.length; i++) {27 if (predicate(array[i])) {28 return array[i];29 }30 }31 return undefined;32};

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