How to use JavaScript Array keys()
Array keys()
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Array keys() method
Program to use JavaScript Array keys() method
let a = ["JavaScript","Python","Php","Css","Html"];
let b = a.keys();
for(let key of b){
console.log(key);
}
Output
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Steps Description
- Declare three variable a, b and key
- Initialize three variable with value of array a = [“JavaScript”,”Python”,”Php”,”Css”,”Html”], b = a.keys() and key
- Array keys() method returns the index number of the given array.
- The value of key variable is displayed with the help of console.log inbuilt function