<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
    $("input").select(function(){
        $("input").after(" Text marked!");
    });
    $("button").click(function(){
        $("input").trigger("select");
    });
});
</script>
</head>
<body>

<input type="text" value="Hello World"><br><br>

<button>Trigger the select event for the input field</button>

</body>
</html>