var i=0;
while (i < 10) {
console.log(i);
i++;
}
//Alternatively, You could break out of a loop like so:
var i=0;
while(true){
i++;
if(i===3){
break;
}
}while (condition) {
// code
}
// example
let index = 0;
while (index < 10) {
// code
index++;
}
// enjoy :)
// while vs do...while loops
/* while loops: check condition first. If true, execute code. */
let i = 0;
while (i < 5) {
console.log(i); // 0 1 2 3 4
i += 1;
}
/* do-while loops: execute code at least once even if condition is false.
Then check condition. If true, continue executing code. */
let j = 6;
do {
console.log(j); // 6
j += 1;
} while (j < 5);
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
// while loop
let j= 0;
while(j < arr.length)
{
console.log(arr[j]);
j++;
}
//do-while loop
let k=0;
do{
console.log(arr[k]);
k++;
}
while(k < arr.length);
let arr = ['jan', 'feb', 'mar', 'apr', 'may'], i = 0;
// do something at least 1 time even if the condition is false
do{
console.log(arr[i]);
i++;
}while(arr.includes('dec'));
// output: jan /*
`do while` is essentially like the basic `while` statement
except for one key difference, the body is always executed
at least once.
Syntax:
do {
body
} while (condition);
This is generally only useful if you need the body to run
at least once, before the condition is checked.
*/
let i = 10;
do {
console.log(i);
i--;
} while (i > 0);
/*
Outputs:
10
9
8
7
6
5
4
3
2
1
*/