How to use jquery selector having element type and ID

I'm using this selector $("textarea #myTextArea").val(text); and it's not working. If I remove the ID and use the class it's working. Why isn't jquer开发者_如何转开发y able to find the element here?

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Because of the space. With the space it says the #myTextArea within a textarea.

$("textarea#myTextArea").val(text);

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Just remove the space:

$("textarea#myTextArea").val(text);

At the moment you're trying to select an element with ID myTextArea that is a descendant element of a textarea

As Jared Farrish mentions in the comments removing the element type would be more efficient:

$("#myTextArea").val(text);

If your document is valid then every ID will only used be once so this is still correct.