select all value in side all text box in a form on click

HTML

<input Value="sdfsdfsdf">
<input Value="8545555">
<input Value="Billa">

CSS

input {
    padding: 8px;
    font-size: 14px;
}

JavaScript

$('input').on('focus', function() {
    var $this = $(this)
        .one('mouseup.mouseupSelect', function() {
            $this.select();
            alert("selected")
            return false;
        })
        .one('mousedown', function() {
           
            $this.off('mouseup.mouseupSelect');
        })
        .select();
});