jQuery Once
Filters out all elements that had the same filter applied on them before. It can be used to ensure that a function is only applied once to an element.
Filters out all elements that had the same filter applied on them before. It can be used to ensure that a function is only applied once to an element.
.once() method for adding behaviors or classes once.
A jQuery plugin that prevents a script from being loaded more than once via $.getScript()