Created
September 13, 2016 04:16
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Ruby try function in Javascript today
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| Object.prototype.tryGet = function(props){ | |
| return (props || '').split('.').reduce( (a, b, i, l) => | |
| (a[b] || (i+1 === l.length ? '': {}) | |
| , this) | |
| } |
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| var obj = {a:{b:{c:1, d:2}}}; | |
| obj.tryGet('a.b.c');//print 1 | |
| obj.tryGet('a.b.d');//print 2 | |
| obj.tryGet('a.b.c.a');//print '' | |
| obj.tryGet('a.c.b.d');//print '' |
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