js for item in object code example
Example 1: javascript loop object
let obj = {
key1: "value1",
key2: "value2",
key3: "value3"
}
Object.keys(obj).forEach(key => {
console.log(key, obj[key]);
});
// key1 value1
// key2 value2
// key3 value3
// using for in - same output as above
for (let key in obj) {
let value = obj[key];
console.log(key, value);
}
Example 2: js for in object
var obj = { foo: 'bar', baz: 42 };
console.log(Object.entries(obj)); // [ ['foo', 'bar'], ['baz', 42] ]
for(const [i, val] of Object.entries(obj))
new_obj[i] = val;
Example 3: for in object javascript
var obj = { foo: 'bar', baz: 42 };
Object.keys(obj).forEach((key) => {
const el = obj[key];
console.log(
{
key: key,
value: el
}
);
});
Example 4: for in loop javascript
var person = {"name":"taylor","age":31};
for (property in person) {
console.log(property,person[property]);
}
//name taylor
//age 31