Created
January 19, 2020 01:11
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| const selfFilter = function (fn, context) { | |
| let arr = Array.prototype.slice.call(this) | |
| let filteredArr = [] | |
| for (let i = 0; i < arr.length; i++) { | |
| if(!arr.hasOwnProperty(i)) continue; | |
| fn.call(context, arr[i], i, this) && filteredArr.push(arr[i]) | |
| } | |
| return filteredArr | |
| } | |
| Array.prototype.selfFilter = selfFilter; |
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