map through keys javascript
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
map through keys javascript
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
javascript iterate object key values
Object.entries(obj).forEach(([key, value]) => {
console.log(key, value);
});
for key value in object javascript
for (const [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
foreach key value javascript
const object1 = {
a: 'somestring',
b: 42
};
for (let [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteed
object iterate in javascript
for (let key in yourobject) {
console.log(key, yourobject[key]);
}
javascript iterate object
const obj = { 0: 'a', 1: 'b', 2: 'c' };
console.log(Object.entries(obj)); // => [ ['0', 'a'], ['1', 'b'], ['2', 'c'] ]
Object.entries(obj).forEach((key, value) => {
console.log(key + ' ' + value);
});
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