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20 lines
465 B
JavaScript
20 lines
465 B
JavaScript
var flatten = function(a, shallow,r){
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if(!r){ r = []}
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if (shallow) {
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return r.concat.apply(r,a);
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}
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for(var i=0; i<a.length; i++){
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if(a[i].constructor == Array){
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flatten(a[i],shallow,r);
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}else{
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r.push(a[i]);
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}
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}
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return r;
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}
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console.log(flatten([1, [2], [3, [[4]]],[5,6]]));
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console.log(flatten([1, [2], [3, [[4]]],[5,6]], true));
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