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January 28, 2016 17:43
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| /* 1 to N */ | |
| var range = function (n) { | |
| return Array(n).join().split(',').map(function(e, i) { return i; }); | |
| } | |
| /* diffs */ | |
| array_1.filter( (i)=>{ | |
| return array_2.indexOf(i) < 0; | |
| }); | |
| /* input number only */ | |
| <input type='text' onkeypress='return event.charCode >= 48 && event.charCode <= 57' /> |
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