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Asked: 2026-05-11T13:48:09+00:00

Suppose I have the following HTML code, how can I pass the user’s input

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Suppose I have the following HTML code, how can I pass the user’s input to execute(str) JavaScript function as an argument?

<body>  <input name='textbox1' type='text' /> <input name='buttonExecute' onclick='execute(//send the user's input in textbox1 to this function//)' type='button' value='Execute' />  </body>
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1 Answer

  1. You could either access the element’s value by its name:

    document.getElementsByName('textbox1'); // returns a list of elements with name='textbox1' document.getElementsByName('textbox1')[0] // returns the first element in DOM with name='textbox1'

    So:

    <input name='buttonExecute' onclick='execute(document.getElementsByName('textbox1')[0].value)' type='button' value='Execute' />

    Or you assign an ID to the element that then identifies it and you can access it with getElementById:

    <input name='textbox1' id='textbox1' type='text' /> <input name='buttonExecute' onclick='execute(document.getElementById('textbox1').value)' type='button' value='Execute' />
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