jQuery+ PHP adding new attributes to elements with specific value

Question

I need to create a function that will add an attribute to elements that have an attribute with specific values.

$index have values 0-10, Code is working to this point: var element = $("a[data-slide-index*='"i"']");

Firebug gives me:

Blockquote SyntaxError: missing ) after argument list

Rest looks like that:

<script type="text/javascript">

           jQuery(document).ready(function($){ 

                for(var i=0; i<parseInt(<?php echo json_encode($index); ?>);i++){

                  var hoverAtt = "onHover"+i+"()";
                   var element = $("a[data-slide-index*='"+ i +"']");


                 element.next().attr("onmouseover", function(){
                       return hoverAtt;

                   });

                   }
           })
            </script>

There is jFidle example for $index=6: http://jsfiddle.net/Fuh9P/

Edit: I changed concatenation as Sjoerd suggested but still doesn't work.

You could do a JsFiddle with some sample data your app has outputted though. — edcs
– edcs, Commented Apr 30, 2014 at 9:59
Be aware that return hoverAtt will return the string "onHover123()", it will not call the function. — Sjoerd
– Sjoerd, Commented Apr 30, 2014 at 10:00

Sjoerd · Accepted Answer · 2014-04-30 09:59:50Z

1

The error message is because you concatenate strings the wrong way. You have this:

var element = $("a[data-slide-index*='"i"']");

Within the $() you try to concatenate three parts, like this:

"a"i"b"

Instead, you should use something like this:

"a" + i + "b"
var element = $("a[data-slide-index*='" + i + "']");

answered Apr 30, 2014 at 9:59

Sjoerd

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