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Manipulación de Clases CSS con jQuery: addClass(), removeClass() y hasClass()
Introducción En el desarrollo web, la manipulación dinámica de clases CSS es una tarea común que permite cambiar el estilo de los elementos HTML en tiempo de ejecución. jQuery, una popular biblioteca JavaScript, facilita esta tarea con métodos como addClass(), removeClass() y hasClass(). Estos métodos se integran perfectamente con la función $(), que es el corazón de jQuery para seleccionar…
jquery
<!doctype html> <html> <head> <meta charset="utf-8"> <script src="js/jquery-3.4.1.min.js"></script> <style> /*Changes cursor to a finger*/ #myspecial, #rebel{cursor:pointer;} #rebel {position:relative;left:0;} #mylogo{background:red; width:20px; webkit-transition:width 5s; transition:width 5s; font-size:20px;} #mylogo.expand{width:600px;} </style> <script> //opening jquery comm
$(document).ready( function(){ //process more functions $("mylogo").addClass("expand"); $("#mylogo").html("Yoo!2019"); $("mylogo").click( function(){ if($(this).hasClass("expand")){ $(this).removeClass("expand");} else{ $(this).addClass("expand"); } }); $("#myspecial").click( function(){ $("#mylogo").hide(); } ); //variable this changes the position. origin plus 10 var catX=0; var dir=50; $("#rebel").click( function(){ if(catX>500){ dir= -50; } if(catX<0){ dir = 50; } catX=catX+dir; $("#mylogo").show(); $(this).css( {left:catX +"px"} ); } ); } ); </script>
<title>jquery</title> </head>
<body> <h1 id="mylogo">Tomato</h1> <div id="myspecial"> <img src="../w7/logo.png" alt="H&M" width="200"/> </div> <div id="rebel">SHOW ME</div> </body> </html>
Adding/Removing classes on resize JQuery
Adding/Removing classes on resize JQuery
https://www.sitepoint.com/community/t/adding-removing-classes-on-resize-jquery/191805
http://pastebin.com/PbqRV590
Sample Code shown in below::
$(window).on(‘load, resize’, function mobileViewUpdate() { var viewportWidth = $(window).width(); if (viewportWidth < 768) {
$(“.topSocialList”).removeClass(“pull-right”).addClass(“pull-left”); $(“.topSocialList”).find(“a”).css(‘border-right’,’0px’);
}
el…
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