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c7x43t/arrayHistogram.js

Last active March 5, 2018 09:34
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arrayHistogram.js
function arrayHistogram(arr){
const obj={};
for(let i=0;i<arr.length;i++){
if(!obj.hasOwnProperty(arr[i])) obj[arr[i]]=0;
obj[arr[i]]++;
}
return obj;
}
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