object key value javascript code example
Example 1: javascript loop through object example
var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}
Example 2: javascript foreach object keys
var lunch = {
sandwich: 'ham',
snack: 'chips',
drink: 'soda',
desert: 'cookie',
guests: 3,
alcohol: false,
};
Object.keys(lunch).forEach(function (item) {
console.log(item);
console.log(lunch[item]);
});
Example 3: javascript iterate object key values
Object.entries(obj).forEach(([key, value]) => {
console.log(key, value);
});
Example 4: get keys objet javascript
var foo = {
'alpha': 'puffin',
'beta': 'beagle'
};
var keys = Object.keys(foo);
console.log(keys)
Example 5: javascript object entries
const object1 = {
a: 'somestring',
b: 42
}
Object.entries(object1)
.forEach(([key, value]) => console.log(`${key}: ${value}`))
Example 6: for key value in object javascript
for (const [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}