Jquery
Add and remove html attributes using jquery
Setting value of HTML attribute
If you want to add an attribute to some element you can use the attr(attributeName, For example:
$('a').attr('title', 'Click me');
This example will add mouseover text "Click me" to all links on the page.
The same function is used to change attributes' values.
Removing attribute
To remove an attribute from an element you can use the function .removeAttr(attributeName).
For example:
$('#home').removeAttr('title');
This will remove title attribute from the element with ID home.