randomElement
I’ll be honest, I’m sympathetic to the view that exending Object.prototype is bad practice. But I’ll be damned if it isn’t conveinent.
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| //This little snippet does the bad practice of overloading default JavaScript objects. I know it's bad taste, sue me. | |
| //It only works on arrays. | |
| //['a', 'b', 'c'].randomElement() | |
| Object.prototype.randomElement = function(){ | |
| var randomIndex = Math.floor(Math.random() * this.length); | |
| return randomString = this[randomIndex]; | |
| } |
PROGRAMMING
programming javascript snippet gist