javascript for each key in object
var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}javascript for each key in object
var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}javascript get all keys of object
myObject = {
"key": "value",
"key2":"value2"
}
Object.keys(myObject);
//console.log(Object.keys(myObject)) = ["key", "key2"]object keys javascript
const object1 = {
a: 'somestring',
b: 42,
c: false
};
console.log(Object.keys(object1));
// expected output: Array ["a", "b", "c"]js object keys
var myObj = {no:'u',my:'sql'}
var keys = Object.keys(myObj);//returnes the array ['no','my'];object.keys javascript
const object1 = {
a: 'somestring',
b: 42,
c: false
};
console.log(Object.keys(object1));javascript object as key
var fighters = new WeakMap();
var bruce = {name: 'Bruce Lee'};
var chuck = {name: 'Chuck Norris'};
fighters.set(bruce, 'Jeet Kune Do');
fighters.set(chuck, 'Karate');
console.log(fighters.get(bruce)); // Jeet Kune Do
console.log(fighters.get(chuck)); // KarateCopyright © 2021 Codeinu
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