add countdown timer to javascript quiz
var count = 15;
var interval = setInterval(function(){
document.getElementById('count').innerHTML=count;
count--;
if (count === 0){
clearInterval(interval);
document.getElementById('count').innerHTML='Done';
// or...
alert("You're out of time!");
}
}, 1000);
Also in JavaScript:
- function if else javascript
- javascript group array of objects lodash
- node express server static files
- creating js objects
- js import and export
- javascript get data-id attribute
- find the last occurrence of a character in a string javascript
- javascript sort multidimensional array
- js date remove am and pm
- how to make use of nodejs single thread to read files and attach data
- jquery trigger change event
- javascript check if objects are equal
- ES6: Use class Syntax to Define a Constructor Function
- range javascript
- node mailer office 365
- vue get height of element ref
- alertify js vue
- js array from
- js add array items to array
- javascript onclick open url same window
- react admin
- js blur element
- jquery enforce important
- javascript shuffle array