javascript for loop
for (var i; i < 10; i++) {
}for in loop javascript
var person = {"name":"taylor","age":31};
for (property in person) {
console.log(property,person[property]);
}
//name taylor
//age 31for in javascript
const object = { a: 1, b: 2, c: 3 };
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}
// expected output:
// "a: 1"
// "b: 2"
// "c: 3"for in js loop
Example:
const object = { a: 1, b: 2, c: 3 };
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}
// expected output:
// "a: 1"
// "b: 2"
// "c: 3"
Syntax:
for (variable in object)
statementfor in loop javascript
function diagonalDifference(arr) {
// Write your code here
// return (arr); 11,2,4,4,5,6,10,8,-12
let n = arr.length;
let pri,sec = 0;
pri = sec = 0; //initialize both diagonal sum to 0
for (let i= 0; i < n; i++) {
//console.log( "PRI(arr)= ", i,i);
//console.log( arr[i][i]);
//console.log( "SEC(arr)= ", i,n-i-1);
//console.log( arr[i][n-i-1]);
pri += arr[i][i];
sec += arr[i][n - i - 1];
}
// return |x| is the absolute value of x
if(pri==sec){
return (0);
}else {
if (pri>sec){
return (pri-sec);
}else{
return (sec-pri);
}
}
}for in loops javascript
for(const key in object){
// do stuff
}
// goes through the keys of an objectCopyright © 2021 Codeinu
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