This example will be helpful to set the cursor focus to the end of the string in the textbox. Also can reuse the function to set the focus to first character of the textbox.
<!DOCTYPE html>
<html>
<head>
<title>Javascript example</title>
<script type="text/javascript">
function focusToText(end_or_start){
var input = document.getElementById('username')
if(end_or_start == 'end'){
input.setSelectionRange(input.value.length, input.value.length);
}else if(end_or_start == 'start'){
input.setSelectionRange(0, 0);
}
input.focus();
}
</script>
</head>
<body>
<input type="text" name="username" id="username"><br/><br/>
<button onclick="focusToText('start')">Focus to start</button>
<button onclick="focusToText('end')">Focus to end</button>
</body>
</html>
Happy coding!
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