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let vowels= ['a', 'e', 'i','o', 'u'];
for( let [index,vowels] of vowels.entries()){
console.log(index + ":" + vowels);
}
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for (const [i, value] of myArray.entries()) {
console.log('%d: %s', i, value);
}
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const names=["shirshak","Bigyan","Savyata"];
for(let name of names){
console.log(name); //output all name
console.log(names.indexOf(name)); // index 0,1,2
}