javascript loop

Solutions on MaxInterview for javascript loop by the best coders in the world

showing results for - "javascript loop"
Max
12 Mar 2019
1let array = ['Item 1', 'Item 2', 'Item 3'];
2
3array.forEach(item => {
4	console.log(item); // Logs each 'Item #'
5});
Célestine
03 Mar 2019
1let array = ['Item 1', 'Item 2', 'Item 3'];
2
3// Here's 4 different ways
4for (let index = 0; index < array.length; index++) {
5  console.log(array[index]);
6}
7
8for (let index in array) {
9  console.log(array[index]);
10}
11
12for (let value of array) {
13  console.log(value); // Will each value in array
14}
15
16array.forEach((value, index) => {
17  console.log(index); // Will log each index
18  console.log(value); // Will log each value
19});
Glen
13 Sep 2020
1JavaScript supports different kinds of loops:
2
3for - loops through a block of code a number of times
4for/in - loops through the properties of an object
5for/of - loops through the values of an iterable object
6while - loops through a block of code while a specified condition is true
7do/while - also loops through a block of code while a specified condition is true
8
9for (let i = 0; i < cars.length; i++) {
10  text += cars[i] + "<br>";
11}
12
Nicolò
23 Mar 2016
1let array = ['Item 1', 'Item 2', 'Item 3'];
2
3for (let index = 0; index < array.length; index++) {
4  console.log("index", index);
5  console.log("array item", array[index]);
6}
Tim
24 Aug 2020
1//There are many loops in javascript that get the job done
2let colors = ["red","blue","green"];
3
4//More detail about loop => shorturl.at/avIRW
5for(let i in colors){
6  console.log(colors[i])
7}
8//More detail about loop => shorturl.at/hBUW2
9colors.forEach(color => {
10  console.log(color)
11})
12//More detail about loop => shorturl.at/pLOV6
13colors.map(color => {
14  console.log(color)
15})
16//More detail about loop => shorturl.at/hlstV
17for(let i = 0; i < colors.length; i++){
18  console.log(colors[i])
19}
20//More detail about loop => shorturl.at/iKS38
21let i = 0;
22while ( i < colors.length ){
23  console.log(colors[i])
24  i++
25}
Carolina
23 Apr 2019
1var items=["a","b","c"];
2for(let item of items){
3  console.log(item)
4}
Veronica
27 Jun 2020
1var i;
2for (i = 0; i < cars.length; i++) { 
3  text += cars[i] + "<br>";
4} 
Lucas
26 Mar 2020
1var colors=["red","blue","green"];
2for(let color of colors){
3  console.log(color)
4}
Luisa
26 Aug 2020
1let array = ["foo", "bar"]
2
3let low = 0; // the index to start at
4let high = array.length; // can also be a number
5
6/* high can be a direct access too
7	the first part will be executed when the loop starts 
8    	for the first time
9	the second part ("i < high") is the condition 
10    	for it to loop over again.
11    the third part will be executen every time the code 
12        block in the loop is closed.
13*/ 
14for(let i = low; i < high; i++) { 
15  // the variable i is the index, which is
16  // the amount of times the loop has looped already
17  console.log(i);
18  console.log(array[i]); 
19} // i will be incremented when this is hit.
20
21// output: 
22/*
23	0
24    foo
25    1
26    bar
27*/
Abigael
12 Apr 2019
1<!DOCTYPE html>
2<html>
3  <head>
4    <meta charset="utf-8">
5    <title>Basic for loop example improved</title>
6    <style>
7
8    </style>
9  </head>
10  <body>
11
12  <p></p>
13
14
15    <script>
16    const cats = ['Bill', 'Jeff', 'Pete', 'Biggles', 'Jasmin'];
17    let info = 'My cats are called ';
18    const para = document.querySelector('p');
19
20    for(let i = 0; i < cats.length; i++) {
21      if(i === cats.length - 1) {
22        info += 'and ' + cats[i] + '.';
23      } else {
24        info += cats[i] + ', ';
25      }
26    }
27
28    para.textContent = info;
29
30    </script>
31
32  </body>
33</html>
34
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