How Can I Change a TD's Class Using jQuery Based on Its ID?

jQuery Class Manipulation

Changing a TD's Class Based on Its ID

Problem:

Within a click event for another DOM element, you wish to alter the class of a TD element based on its unique ID ("td_id").

Solution with jQuery:

To set the class outright, use the .attr() method:

$("#td_id").attr('class', 'newClass');

To add a class without affecting existing ones, use .addClass():

$("#td_id").addClass('newClass');

For a quick class swap, try .toggleClass():

$("#td_id").toggleClass('change_me newClass');

Additional Class Manipulation Methods:

• [jQuery Documentation: Class Attribute Methods](https://api.jquery.com/category/class-attribute/)

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