05.04.20
Using jQuery, you can do this:
let lastScrollTop = 0;
$(window).on('scroll', function(){
let top = $(this).scrollTop();
if (lastScrollTop > top) {
console.log('top');
} else if (lastS...
22.03.20
A favicon is a website icon. The easiest way to add it to the page is to put an icon with the name favicon.ico 16x16 pixels in the root of the site. Or set a path by writing one line in a section <head>
<link...
06.03.20
Sometimes it is necessary to determine the user's operating system.
Example:
Your OS is your os
function detectOS() {
const platform = navigator.platform.toLowerCase(),
iosPlatforms = ['iphone', 'ipad'...
29.02.20
Сookie (web cookie or browser cookie) is a string of information that can be stored in a browser and sent to the server.
The maximum size for one cookie is 4096 bytes. The number of cookies for one domain can be from ...
30.12.19
Consider an example of performing promises in a loop. In this task, the execution order was not important.
let promises = [];
removedList.forEach(param => {
promises.push(
this.apiMethod(param.uid).toPro...
