javascript loop through object
Object.entries(obj).forEach( ([key, value]) => console.log(key, value) );
javascript loop through object
Object.entries(obj).forEach( ([key, value]) => console.log(key, value) );
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 ${student[1].age} years old`); }); /* Output: Student: adam is 20 years old Student: kevin is 22 years old */
javascript loop object
let obj = { key1: "value1", key2: "value2", key3: "value3" } Object.keys(obj).forEach(key => { console.log(key, obj[key]); }); // key1 value1 // key2 value2 // key3 value3 // using for in - same output as above for (let key in obj) { let value = obj[key]; console.log(key, value); }
how to loop object javascript
var obj = {a: 1, b: 2, c: 3}; for (const prop in obj) { console.log(`obj.${prop} = ${obj[prop]}`); } // Salida: // "obj.a = 1" // "obj.b = 2" // "obj.c = 3"
js loop through object
const obj = { a: 1, b: 2 }; Object.keys(obj).forEach(key => { console.log("key: ", key); console.log("Value: ", obj[key]); } );
javascript loop through object
Object.entries(obj).forEach( ([key, value]) => console.log(key, value) ); // Loop using forEach arr.forEach((item, index) => { // TODO }) // Loop using for...of for (const item of arr) { await something() } // Clone new array (not changing the old one) const arr = [1,2,3] const newArray = arr.map(item => item * 2) console.log(newArray) // Filter array by condition const arr = [1,2,3,1] const newArray = arr.filter(item => { if (item === 1) { return item } }) console.log(newArray) // Join array const arr1 = [1,2,3] const arr2 = [4,5,6] const arr3 = [...arr1, ...arr2] console.log(arr3) // Get a property of object const { email, address } = user console.log(email, address) // Copy object/array const obj = { name: 'my name' } const clone = { ...obj } console.log(obj === clone)
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