JQuery raz
// npm npm install jquery-once --save
// Github: https://github.com/RobLoach/jquery-once
// jsDelivr //cdn.jsdelivr.net/npm/[email protected]/jquery.once.min.js
// cdnjs //cdnjs.cloudflare.com/ajax/libs/jquery-once/2.2.3/jquery.once.js
$('p').once('changecolor').css('color', 'red');
// To execute a function on the once set, you can use jQuery's each().
$('div.calendar').once().each(function() {
// Since there is no once ID provided here, the key will be "once".
});
Undefined