iterate object javascript
let obj = {
key1: "value1",
key2: "value2",
key3: "value3",
key4: "value4",
}
Object.entries(obj).forEach(([key, value]) => {
console.log(key, value);
});iterate object javascript
let obj = {
key1: "value1",
key2: "value2",
key3: "value3",
key4: "value4",
}
Object.entries(obj).forEach(([key, value]) => {
console.log(key, value);
});foreach object javascript
/* Answer to: "foreach object javascript" */
const games = {
"Fifa": "232",
"Minecraft": "476"
"Call of Duty": "182"
};
Object.keys(games).forEach((item, index, array) => {
let msg = `There is a game called ${item} and it has sold ${games[item]} million copies.`;
console.log(msg);
});
/*
The foreach statement can be used in many ways and with object can make
development a lot easier.
A link for for more information on this can be found below and in the source:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
*/foreach key value javascript
const object1 = {
a: 'somestring',
b: 42
};
for (let [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteedhow to iterate through a js object
let object = {
x: 10,
y: 10,
z: 10
};
let keys = Object.keys(object);
// now 3 different ways:
// method 1:
key.forEach(function(key){
let attribute = object[key];
// do stuff
}
);
//method 2:
for(let key of keys){
let attribute = object[key];
// do stuff
}
//method 3:
for(let i = 0; i < keys.length; i++){
let key = keys[i];
let attribute = object[key];
// do stuff
}Copyright © 2021 Codeinu
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