Javascript Uint8ClampedArray keys()

Introduction

The Javascript Uint8ClampedArray keys() method returns an Iterator object for each index in the array. 

arr.keys()

Iteration using for...of loop 

var arr = new Uint8ClampedArray([10, 20, 30, 40, 50]);
var eArray = arr.keys();
for (let n of eArray) {
  console.log(n);//w ww  .j  a v  a  2  s .  co  m
}

Alternative iteration 

var arr = new Uint8ClampedArray([10, 20, 30, 40, 50]);
var eArr = arr.keys();
console.log(eArr.next().value); // 0
console.log(eArr.next().value); // 1
console.log(eArr.next().value); // 2
console.log(eArr.next().value); // 3
console.log(eArr.next().value); // 4



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