ARTICLE

Cross Browser Marquee Using jQuery

Posted by Sapna Articles | JQuery March 03, 2012
In this script the Text scrolls from bottom to top (instead of sideways), pauses, then scrolls up and out of view.
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Introduction

In this article I will explain how to make a cross browser marquee using jQuery.

Description

In this script the Text scrolls from bottom to top (instead of sideways), pauses, then scrolls up and out of view. A link can be added. It's also different in that the content to scroll is not stored inside JavaScript variables, but as plain HTML wrapped around a special DIV. This makes specifying long and complex HTML a breeze.

Step 1: First we have to create a Web Application.

  • Go to Visual Studio 2010.
  • New--> And select the Web Application.
  • Give whatever name you want to.
  • Click OK.
img1.gif

Step 2: Secondly you have to add a new page to the website.

  • Go to the Solution Explorer.
  • Right-click on the project name.
  • Select add new item.
  • Add new web page and give it a name.
  • Click OK.


img2.gif

img3.gif

Step 3: In this step we will see how to add style sheet code. Whenever we write style sheet code you have to be careful that it is written inside the <style></style> tags and you have to place it inside the head section.

<style type="text/css">
        #marqueecontainer
        {
            position: relative;
            width: 250px; /*marquee width */
            height: 250px; /*marquee height */
            background-color: white;
            overflow: hidden;
            border: 4px solid red;
            padding: 3px;
            padding-left: 5px;
        }
</
style
>

 Step 4: In this step we have to write the script reference to the aspx page; let us see from where you have to write the script code.

img4.gif

Step 5: Let us see the script code to add inside the <script></script> tags and that will be placed either in the <head> section or the <body> section as you prefer.

<script type="text/javascript" src="Scripts/jquery-1.4.1.min.js"></script>

Step 6: In this step we have to write the jQuery code which is given below.

<script type="text/javascript">
        var delayb4scroll = 2000
        var marqueespeed = 2
        var pauseit = 1
        var copyspeed = marqueespeed
        var pausespeed = (pauseit == 0) ? copyspeed : 0
        var actualheight = ''
        function scrollmarquee() {
            if (parseInt(cross_marquee.style.top) > (actualheight * (-1) + 8))
                cross_marquee.style.top = parseInt(cross_marquee.style.top) - copyspeed + "px"
            else
                cross_marquee.style.top = parseInt(marqueeheight) + 8 + "px"
        }
        function initializemarquee() {
            cross_marquee = document.getElementById("vmarquee")
            cross_marquee.style.top = 0
            marqueeheight = document.getElementById("marqueecontainer").offsetHeight
            actualheight = cross_marquee.offsetHeight
            if (window.opera || navigator.userAgent.indexOf("Netscape/7") != -1) { //if Opera or Netscape 7x, add scrollbars to scroll and exit
                cross_marquee.style.height = marqueeheight + "px"
                cross_marquee.style.overflow = "scroll"
                return
            }
            setTimeout('lefttime=setInterval("scrollmarquee()",30)', delayb4scroll)
        }
        if (window.addEventListener)
            window.addEventListener("load", initializemarquee, false)
        else if (window.attachEvent)
            window.attachEvent("onload", initializemarquee)
        else if (document.getElementById)
            window.onload = initializemarquee
</script
>

Step 7 : In this step you will see the body code of the Default2.aspx page which is given below.

Body Code

<body>
    <form id="form1" runat="server">
    <div id="marqueecontainer" onmouseover="copyspeed=pausespeed" onmouseout="copyspeed=marqueespeed">
        <div id="vmarquee" style="position: absolute; width: 98%;">
            <!--YOUR SCROLL CONTENT HERE-->
            <h2>
                The Mindcracker Network with its global headquarters in Philadelphia,
                 PA was founded in 1999 with a single goal in mind - to provide an online
                 platform for InformationTechnology.
                 for more <asp:HyperLink ID="HyperLink1" runat="server"
                 NavigateUrl="http://www.c-sharpcorner.com">HyperLink</asp:HyperLink>
                 &nbsp;
                </h2>
            <!--YOUR SCROLL CONTENT HERE-->
        </div>
    </div>
    </form
>
</body>

Step 8: In this step we will see the complete code of the Default2.aspx page which is given below.

Code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title> Cross Browser Marquee Using jQuery </title>
    <script type="text/javascript" src="Scripts/jquery-1.4.1.min.js"></script>
    <script type
="text/javascript">
        var delayb4scroll = 2000
        var marqueespeed = 2
        var pauseit = 1
        var copyspeed = marqueespeed
        var pausespeed = (pauseit == 0) ? copyspeed : 0
        var actualheight = ''
        function scrollmarquee() {
            if (parseInt(cross_marquee.style.top) > (actualheight * (-1) + 8))
                cross_marquee.style.top = parseInt(cross_marquee.style.top) - copyspeed + "px"
            else
                cross_marquee.style.top = parseInt(marqueeheight) + 8 + "px"
        }
        function initializemarquee() {
            cross_marquee = document.getElementById("vmarquee")
            cross_marquee.style.top = 0
            marqueeheight = document.getElementById("marqueecontainer").offsetHeight
            actualheight = cross_marquee.offsetHeight
            if (window.opera || navigator.userAgent.indexOf("Netscape/7") != -1) { //if Opera or Netscape 7x, add scrollbars to scroll and exit
                cross_marquee.style.height = marqueeheight + "px"
                cross_marquee.style.overflow = "scroll"
                return
            }
            setTimeout('lefttime=setInterval("scrollmarquee()",30)', delayb4scroll)
        }
        if (window.addEventListener)
            window.addEventListener("load", initializemarquee, false)
        else if (window.attachEvent)
            window.attachEvent("onload", initializemarquee)
        else if (document.getElementById)
            window.onload = initializemarquee
</script
>
<style type="text/css">
        #marqueecontainer
        {
            position: relative;
            width: 250px; /*marquee width */
            height: 250px; /*marquee height */
            background-color: white;
            overflow: hidden;
            border: 4px solid red;
            padding: 3px;
            padding-left: 5px;
        }
</
style
>
<body>
    <form id="form1" runat="server">
    <div id="marqueecontainer" onmouseover="copyspeed=pausespeed" onmouseout="copyspeed=marqueespeed">
        <div id="vmarquee" style="position: absolute; width: 98%;">
            <!--YOUR SCROLL CONTENT HERE-->
            <h2>
                The Mindcracker Network with its global headquarters in Philadelphia,
                 PA was founded in 1999 with a single goal in mind - to provide an online
                 platform for InformationTechnology.
                 for more <asp:HyperLink ID="HyperLink1" runat="server"
                 NavigateUrl="http://www.c-sharpcorner.com">HyperLink</asp:HyperLink>
                 &nbsp;
                </h2>
            <!--YOUR SCROLL CONTENT HERE-->
        </div>
    </div>
    </form
>
</body>
</
html>

Step 9 : In this step we will see the design of the Default2.aspx page which is given below.

img5.gif

Step 10: In this step we are going to run the Default2.aspx page by pressing F5.

img6.gif

img7.gif

img8.1.gif


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