31 lines
832 B
JavaScript
31 lines
832 B
JavaScript
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function difference(arr1,arr2) {
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var a1= flatten(arr1,true);
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var a2= flatten(arr2,true);
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var a=[], diff=[];
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for(var i=0;i<a1.length;i++)
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a[a1[i]]=false;
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for(i=0;i<a2.length;i++)
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if(a[a2[i]]===false)
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{ delete a[a2[i]];}
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else a[a2[i]]=true;
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for(var k in a)
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diff.push(k);
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return diff;
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}
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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(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(difference([1, 2, 3], [100, 2, 1, 10]));
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console.log(difference([1, 2, 3, 4, 5], [1, [2], [3, [[4]]],[5,6]]));
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console.log(difference([1, 2, 3], [100, 2, 1, 10]));
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