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Editorial Team
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Asked: 2026-06-01T08:48:56+00:00

<input id=’ad’ onkeyup=’sc(id)’/> <script lang=javascript> function sc(i) { i.style.backgroundColor=#006400; } </script> This is the

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<input id='ad' onkeyup='sc(id)'/>
<script lang="javascript">
function sc(i)
{
    i.style.backgroundColor="#006400";
}
</script>

This is the code I am using to change the background colour of the input box through id, but it is not working. Please suggest some way to change the background colour of the input box.

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1 Answer

  1. Editorial Team

    If i is an element id, use getElementById()

    <input id='ad' onkeyup='sc(id)'/>
<script lang="javascript">
function sc(i)
{
    // Retrieve the element by its id 'i'
    document.getElementById(i).style.backgroundColor="#006400";
}
</script>
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