foreach object javascript
const students = {
adam: {age: 20},
kevin: {age: 22},
};
Object.entries(students).forEach(student => {
// key: student[0]
// value: student[1]
console.log(`Student: ${student[0]} is ${student[1].age} years old`);
});
/* Output:
Student: adam is 20 years old
Student: kevin is 22 years old
*/javascript foreach object
const list = {
key: "value",
name: "lauren",
email: "[email protected]",
age: 30
};
// Object.keys returns an array of the keys
// for the object passed in as an argument.
Object.keys(list).forEach(val => {
let key = val;
let value = list[val];
console.log(`${key} : ${value}`);
});
// Returns:
// "key : value"
// "name : lauren";
// "email : [email protected]"
// "age : 30"foreach object js
const object1 = {
a: 'somestring',
b: 42
};
for (let [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteedforeach object javascript
const obj = {
a: "aa",
b: "bb",
c: "cc",
};
//This for loop will loop through all keys in the object.
// You can get the value by calling the key on the object with "[]"
for(let key in obj) {
console.log(key);
console.log(obj[key]);
}
//This will return the following:
// a
// aa
// b
// bb
// c
// ccCopyright © 2021 Codeinu
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