Using jQuery You can set the class (regardless of what it was) by using .attr() , like this: $("#td_id").attr('class', 'newClass');. ... <看更多>

Simple jQuery function to change class of labels when radio buttons are selected. - select-change.html. ... <看更多>

If the element has the specified class then it is removed, if the class is not present then it is added. Replace &lt ... ... <看更多>

I believe it is the jQuery contains predicate you are looking for. It lets you search a string to find only nodes that contain a given ... ... <看更多>

... focusConfirm: false, confirmButtonText: '<i class="fa fa-thumbs-up"></i> Great! ... Swal.fire({ title: 'Do you want to save the changes? ... <看更多>