pasha1110
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| //using Array.prototype | |
| Array.prototype.startWith = function (query){ | |
| if (query === undefined) { | |
| return this[0] | |
| }else { | |
| if (this === []|| this.length === 0){ | |
| return false | |
| }else { | |
| return (this[0] === query) ? true:false |