31 lines
484 B
JavaScript
31 lines
484 B
JavaScript
class ArrayUtil {
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static diff(a1, a2){
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a1.filter((a1n)=>{ return a2.indexOf(a1n) < 0; });
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}
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static selectMap(a, fnSelect, fnMap){
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var map = [];
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for (var elem of a){
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if (fnSelect(elem)){
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map.push(fnMap(elem));
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}
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}
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return map;
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}
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static all(a, fnCondition){
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var all = true;
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for (var elem of a){
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if (!fnCondition(elem)){
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all = false;
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break;
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}
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}
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return all;
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}
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}
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export default ArrayUtil;
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