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How to use findLastIndex method in wpt

Best JavaScript code snippet using wpt

typedarray-findlastindex.js

Source:typedarray-findlastindex.js

...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})();...

Using AI Code Generation

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];

Using AI Code Generation

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};

Using AI Code Generation

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])

Using AI Code Generation

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 )

Using AI Code Generation

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) {

Using AI Code Generation

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}

Using AI Code Generation

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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