23 lines
443 B
TypeScript
23 lines
443 B
TypeScript
var a = [1,2];
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a.forEach(function (v,i,a) {});
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declare module _Core {
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interface Array {
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collect(fn:(e:_element) => _element[]) : any[];
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}
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}
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var arr = (<any>Array).prototype;
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arr.collect = function (fn) {
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var res = [];
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for (var i = 0; i < this.length; ++i) {
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var tmp = fn(this[i]);
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for (var j = 0; j < tmp.length; ++j) {
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res.push(tmp[j]);
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}
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}
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return res;
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};
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