Code - find in text

Memorize[?]:

LATEST UPDATE: 3/30/2026, 12:45:29 PM

Find function for plain textbox / textarea

-ready-

-double-click copies code sample-

<hr />
<script>
var offset=0;
function find(){
	if(document.getElementById('content').value.toLowerCase().indexOf(document.getElementById('search').value.toLowerCase(),offset)==-1){offset=0;}
	var start=document.getElementById('content').value.toLowerCase().indexOf(document.getElementById('search').value.toLowerCase(),offset);
	var end=start+document.getElementById('search').value.length;
    const fullText=document.getElementById('content').value;
    document.getElementById('content').focus();
    document.getElementById('content').value=fullText.substring(0,end);
    var scrollHeight=document.getElementById('content').scrollHeight;
    document.getElementById('content').value=fullText;
    document.getElementById('content').scrollTop=scrollHeight-40;
    document.getElementById('content').setSelectionRange(start,end);
	offset=end;
}
</script>
<input type="text" id="search" value="30" style="width:150px;" oninput="offset=0;" placeholder="[-term-]"><input type="button" value="find" onclick="find();" /><br />
<br />
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50[/textarea]

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