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This function is a shortcut for getElementValue(), trimmed. It is used to retrieve an element’s value by its id and trim the leading and trailing spaces from that value.


  • id or DOM reference to element – identifies the element to retrieve the value from


Example 2:

Suppose you have an element in your HTML page with the id, "header". You could set the background image of the header depending on the value of a particular output field:

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