The Jquery test isn't functioning as expected - the green square fails to display

So, the concept is that the green square should appear when your mouse hovers over the red square, but it's not working as expected. Here's the code snippet:

<html>
    <head>
         <script type="text/javascript" src="jquery-1.6.2.min.js"></script>

         <script type="text/javascript">                                         
             $(document).ready(function() {
               $("a").bind("mouseover", function(){
                    $("b").css("display", "block");
               });

               $("a").bind("mouseout", function(){
                    $("b").css("display", "none");
               });
             });                                            
         </script>
   </head>           
 
  <body>
        <div class="a" style="background-color: #ff0000; height: 50px; width: 50px;"></div>
        <div class="b" style="display: none; background-color: #00ff00; height: 50px; width: 50px;"></div>
  </body>
</html>
javascriptjqueryhtmlcss

Answer №1

To create a class selector, simply add a dot before the selector:

$(".b").bind("click", 
    function(){
        // Your code here
    });

You can simplify your code like this:

$(document).ready(function() {
    $(".c").hover(function() {
        $(".d").toggle();
    });
});

http://jsfiddle.net/developer123/GhT9L/3/

Answer №2

In order to properly target the element with class "a", the correct selector is $(".a") - don't forget the period before the class name. If the element had an id of "a", you would use ("#a"). Just using $("a") will select all links on the page, denoted by <a href="">.

http://example.com/jsfiddle-link

Answer №3

To make this work, you must assign the classes .a and .b

<script type="text/javascript>
    $(document).ready(function() {
        $(".a").bind("mouseover",
            function(){
                $(".b").css("display", "block");
           });

           $(".a").bind("mouseout",
            function(){
                $(".b").css("display", "none");
           });
         });
</script>

Answer №4

One common mistake is attempting to target the <a> and <b> elements instead of the <div class="a"> and <div class="b"> elements. Make sure to use $('.a') instead of $('a'). You can refer to this jsFiddle for a working example.

$(document).ready(function() {
    $(".a").bind("mouseover", function() {
        $(".b").css("display", "block");
    });

    $(".a").bind("mouseout", function() {
        $(".b").css("display", "none");
    });
});

Answer №5

give this a shot

<html>                                                                  
     <head>                                                                  
         <script type="text/javascript" 
            src="http://code.jquery.com/jquery-1.6.2.min.js"></script>

         <script type="text/javascript">                                         
             $(document).ready(function() {
               $("#hover-element").bind("mouseover", 
                function(){
                    $("#element-to-show-hide").css("display", "block");
               });

               $("#hover-element").bind("mouseout", 
                function(){
                    $("#element-to-show-hide").css("display", "none");
               });
             });                         
         </script>                                                               
         </head>                                                                 
     <body>                                                                  
        <div id="hover-element" style="background-color: #ff0000; height: 50px; width: 50px;"></div>
        <div id="element-to-show-hide" style="display: none; background-color: #00ff00; height: 50px; width: 50px;"></div>

     </body>       
     </html>

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