Expand textbox on focus using jQuery

Here is jQuery code to expand the textbox onfocus using jQuery. Below code animate and expand the width of a TextBox when it receives focus.

$(document).ready(function() {
    $('#txtSearch').width(150);
    $('#txtSearch').focus(function() {
        $(this).animate({
            width: 250
        })
    });
    $('#txtSearch').blur(function() {
        $(this).animate({
            width: 150
        })
    });
});?

See result below.

See Complete Code

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