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loops.js
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loops.js
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//Loops & Iteration
/*
1. for loop
- for in
- for of
for(defination;condition;inc/dec){
code
}
2. while loop
while(condition){
code
inc/dec
}
3. do while loop
do{
code
inc/dec
}while(condition)
*/
//for loop
// function loop(n){
// for (let i = n; i > 0; i =i-3) {
// if(i>10){
// break;
// }
// console.log(i);
// }
// }
//for of loop
// var arr = [100,200,340,580,450,540];
// var obj1 = {name:'kumar', age:32, height:170}
// var objValues = Object.values(obj1) // ['kumar',32,170]
// function loop(params){
// for (var element of params) {
// console.log(element);
// }
// }
//for in loop
// var arr = [100, 200, 340, 580, 450, 540];
// var obj1 = { name: 'kumar', age: 32, height: 170 }
// function loop(obj) {
// for (var key in obj) {
// console.log(obj[key]);
// }
// }
//while loop
// function loop(n) {
// var i = 1;
// while(i<=n){
// console.log(i);
// i++;
// }
// }
//do while loop
// function loop(n) {
// var i = 1;
// do {
// console.log(i);
// i++;
// } while (i < 0);
// }
// loop(15);
// boolean conversion of truthy or falsy values
// var name = 'ram';
// console.log(!!name); // true (truthy)
// conditions
/**
1) if else
if(condition){
your code
}else{
your code
}
2) if else if else
if(condition){
your code
}else if {
your code
}else {
your code
}
3) switch
switch (key) {
case value:
break;
default:
break;
}
4) in line condition
*/
//if else
// function ifElse(param){
// if (param<10) {
// console.log('it is less than 10');
// } else if (param < 20){
// console.log('it is less than 20');
// }else{
// console.log('it is more than 20');
// }
// }
//switch
function switchFunc(param) {
switch (true) {
case param < 10: {
const i = 0;
i * i;
break;
}
case param < 20: {
const i = 0
console.log('it is less than 20');
break;
}
default:
console.log('it is more than 20');
break;
}
}
// switchFunc(21);