entries is used for get key, val of enumerate in python
var arr = ["HTML", "CSS", "JS", "Bootstrap", "PHP"];
console.log(arr.entries());
for (var x of arr.entries()) {
console.log(x);
}
Object [Array Iterator] {}
[ 0, ‘HTML’ ]
[ 1, ‘CSS’ ]
[ 2, ‘JS’ ]
[ 3, ‘Bootstrap’ ]
[ 4, ‘PHP’ ]
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