while loop
A while loop performs initialization outside, before the beginning of the loop, then a condition is validated and then the expression is evaluated. The execution of the while loop continues until the condition is satisfied.
While loop in case of arrays, follow the syntax:
// Initialization
let x = 0;
// Condition checking
while (x <= arr.length+1) {
// Increment
x += 1;
}
What is the fastest way to loop through an array in JavaScript ?
The fastest way to loop through an array in JavaScript depends upon the usecases and requirements. JavaScript has a large variety of loops available for performing iterations. The following loops along with their syntax are supported by JavaScript.
Table of Content
- for loop
- while loop
- .forEach() loop
- for…of Loop
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