for in object js code example

Example 1: js loop over object

const object = {a: 1, b: 2, c: 3};

for (const property in object) {
  console.log(`${property}: ${object[property]}`);
}

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: javascript loop through object

var p = {
    "p1": "value1",
    "p2": "value2",
    "p3": "value3"
};

for (var key in p) {
    if (p.hasOwnProperty(key)) {
        console.log(key + " -> " + p[key]);
    }
}

Example 4: 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 5: forin js

let panier = ['fraise', 'banane', 'poire'];

for (const fruit in panier) {
    console.log(panier[fruit]);
}

Example 6: for in javascript

let items = ['beef', 'cabbage', 'javascript']; // Defines a list of items
for (let item of items) { // Defines for loop with a variable of 'item'
  console.log(item); // Prints the item that is found
}