javascript for element in array code example
Example 1: javascript iterate array
let array = ['Item 1', 'Item 2', 'Item 3'];
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);
}
array.forEach((value, index) => {
console.log(index);
console.log(value);
});
Example 2: javascript loop object
let obj = {
key1: "value1",
key2: "value2",
key3: "value3"
}
Object.keys(obj).forEach(key => {
console.log(key, obj[key]);
});
for (let key in obj) {
let value = obj[key];
console.log(key, value);
}
Example 3: javascript object array iteration
let obj = {
key1: "value1",
key2: "value2",
key3: "value3"
}
Object.keys(obj).forEach(key => {
let value = obj[key];
});
Example 4: javascript loop through object
for (var property in object) {
if (object.hasOwnProperty(property)) {
}
}
Example 5: for of array javascript
let colors = ['red', 'green', 'blue'];
for (const color of colors){
console.log(color);
}
Example 6: for in javascript
for (let i = start; i < end; i++) {
}