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How to print the indexes (keys) of an array with Object.keys() in JavaScript



272 views
asked May 17, 2016 by avibootz
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1 Answer

0 votes 
var arr = ["aaa", "bbb", "ccc", "ddd"];

document.write(Object.keys(arr));


/*
run:

0,1,2,3 

*/

 



answered May 17, 2016 by avibootz

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