jQuery detect if textarea is empty

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抹茶落季
抹茶落季 2020-12-25 11:05

I am trying to determine if a textarea is empty if a user deletes what is already pre-populated in the textarea using jQuery.

Anyway to do this?

This is what

11条回答
  •  甜味超标
    2020-12-25 11:23

    if (!$("#myTextArea").val()) {
        // textarea is empty
    }
    

    You can also use $.trim to make sure the element doesn't contain only white-space:

    if (!$.trim($("#myTextArea").val())) {
        // textarea is empty or contains only white-space
    }
    

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