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 guaranteedjavascript foreach
const colors = ['blue', 'green', 'white'];
function iterate(item) {
console.log(item);
}
colors.forEach(iterate);
// logs "blue"
// logs "green"
// logs "white"javascript foreach in object
for (var key in validation_messages) {
// skip loop if the property is from prototype
if (!validation_messages.hasOwnProperty(key)) continue;
var obj = validation_messages[key];
for (var prop in obj) {
// skip loop if the property is from prototype
if (!obj.hasOwnProperty(prop)) continue;
// your code
alert(prop + " = " + obj[prop]);
}
}Copyright © 2021 Codeinu
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