js get object by key code example
Example 1: object keys javascript
const object1 = {
a: 'somestring',
b: 42,
c: false
};
console.log(Object.keys(object1));
// expected output: Array ["a", "b", "c"]
Example 2: javascript object get value by key
const person = {
name: 'Bob',
age: 47
}
Object.keys(person).forEach((key) => {
console.log(person[key]); // 'Bob', 47
});
Example 3: js find key by value in object
Object.keys(object).find(key => object[key] === value)
Example 4: get keys of object js
var buttons = {
foo: 'bar',
fiz: 'buz'
};
for ( var property in buttons ) {
console.log( property ); // Outputs: foo, fiz or fiz, foo
}
Example 5: javascript object get value by key
var obj = {
a: "A",
b: "B",
c: "C"
}
console.log(obj.a); // return string : A
var name = "a";
console.log(obj[name]);