for loop of array in javascript code example
Example 1: 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
});
Example 2: loop array javascript
var colors = ['red', 'green', 'blue'];
colors.forEach((color, colorIndex) => {
console.log(colorIndex + ". " + color);
});
Example 3: javascript loop through array
const myArray = ['foo', 'bar'];
myArray.forEach(x => console.log(x));
//or
for(let i = 0; i < myArray.length; i++) {
console.log(myArray[i]);
}
Example 4: js loop array
let colors = ['red', 'green', 'blue'];
for (const color of colors){
console.log(color);
}
Example 5: for loop javascript
var listItem = [
{name: 'myName1', gender: 'male'},
{name: 'myName2', gender: 'female'},
{name: 'myName3', gender: 'male'},
{name: 'myName4', gender: 'female'},
]
for (const iterator of listItem) {
console.log(iterator.name+ ' and '+ iterator.gender);
}
Example 6: javascript array loop
for (let step = 0; step < 5; step++) {
// Runs 5 times, with values of step 0 through 4.
console.log('Walking east one step');
}