Show More
Commit Description:
utf8mb4
Commit Description:
utf8mb4
References:
File last commit:
Show/Diff file:
Action:
node_modules/es5-ext/array/#/e-last-index-of.js
| 31 lines
| 954 B
| application/javascript
| JavascriptLexer
|
| r789 | "use strict"; | |||
| var numberIsNaN = require("../../number/is-nan") | ||||
| , toPosInt = require("../../number/to-pos-integer") | ||||
| , value = require("../../object/valid-value") | ||||
| , lastIndexOf = Array.prototype.lastIndexOf | ||||
| , objHasOwnProperty = Object.prototype.hasOwnProperty | ||||
| , abs = Math.abs | ||||
| , floor = Math.floor; | ||||
| module.exports = function (searchElement/*, fromIndex*/) { | ||||
| var i, fromIndex, val; | ||||
| if (!numberIsNaN(searchElement)) { | ||||
| // Jslint: ignore | ||||
| return lastIndexOf.apply(this, arguments); | ||||
| } | ||||
| value(this); | ||||
| fromIndex = arguments[1]; | ||||
| if (isNaN(fromIndex)) fromIndex = toPosInt(this.length) - 1; | ||||
| else if (fromIndex >= 0) fromIndex = floor(fromIndex); | ||||
| else fromIndex = toPosInt(this.length) - floor(abs(fromIndex)); | ||||
| for (i = fromIndex; i >= 0; --i) { | ||||
| if (objHasOwnProperty.call(this, i)) { | ||||
| val = this[i]; | ||||
| if (numberIsNaN(val)) return i; // Jslint: ignore | ||||
| } | ||||
| } | ||||
| return -1; | ||||
| }; | ||||