Answers for "array loop"

48

js loop array

var colors = ["red","blue","green"];
for (var i = 0; i < colors.length; i++) {
    console.log(colors[i]);
}
Posted by: Guest on July-22-2019
13

loop through an array javascript

let array = ['Item 1', 'Item 2', 'Item 3'];

// Here's 4 different ways
for (let index = 0; index < array.length; index++) {
  console.log(array[index]);
}

for (let index in array) {
  console.log(array[index]);
}

for (let value of array) {
  console.log(value); // Will log value in array
}

array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});
Posted by: Guest on March-25-2020
8

loop array javascript

var colors = ['red', 'green', 'blue'];
	
	colors.forEach((color, colorIndex) => {
     console.log(colorIndex + ". " + color); 
    });
Posted by: Guest on April-08-2020
5

for loop on a array

var array = [1, 2, 3, 4, 5];
// made an array

for (var i = 0; array[i]; i++) // browse your array with this simple condition on index
	console.log('element '+i+' = '+array[i]);

//output:
element 0 = 1
element 1 = 2
element 2 = 3
element 3 = 4
element 4 = 5
Posted by: Guest on August-04-2021
10

iterate array javascript

array = [ 1, 2, 3, 4, 5, 6 ]; 
for (index = 0; index < array.length; index++) { 
    console.log(array[index]); 
}
Posted by: Guest on November-30-2019
1

javascript enumerate with index

const iterable = [...];
for (const [index, elem] in iterable.entries()) {
  f(index, elem);
}

// or
iterable.forEach((elem, index) => {
  f(index, elem);
});
Posted by: Guest on May-23-2020

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