do {
//whatever
} while (conditional);
//Joke: A programmers wife tells him: "While you're at the store, get some milk.
//...He never comes back...
var endOfCondition = 1;
var someCondition = true;
while(someCondition === true){
console.log("Executing code " + endOfCondition + " times.")
if(endOfCondition == 20)
{
someCondition = false;
}
endOfCondition++;
console.log(endOfCondition - 1)
}
var result = '';
var i = 0;
do {
i += 1;
result += i + ' ';
}
while (i > 0 && i < 5);
// Despite i == 0 this will still loop as it starts off without the test
console.log(result);
/*
`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
*/
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 {
// body of loop
} while(condition)
let count = 0;
let max = 10;
while (count < max) {
console.log(count)
count = count + 1
}
let i =0
do{
console.log(i)
i++;
}
while(i>10);// even i =0 which is not greater then 10 it will console.log 0 for
//time as it execute code at least first time
//First, declare a variable for initial value
const doWhile = 10;
//Second, get do-while and write what to execute inside do bracket.
//Then, write ++/-- according to your condition.
//Lastly, inside while bracket write your condition to apply.
do{
console.log(doWhile)
doWhile--
}while(doWhile >= 0)
var i = 1;
var msg = '';
while(i < 10) {
msg += i + ' x 5 = ' + (i + 5) + '<br />';
i++;
}
document.getElementById('answer').innerHTML = msg;