https://mysite.getexclusively.com/editor/nee/utils/placeholder/placeholder.js

1(function(a) {
2  a.fn.placeholder = function(d) {
3    var b = jQuery.extend({
4        onFocus: "focused",
5        onChange: !1,
6        onBlur: !1,
7        placeholderSupport: "placeholder" in document.createElement("input")
8      }, d),
9      c = function() {
10        return !("" == a.trim(a(this).val()) || a(this).val() == a(this).attr("placeholder"))
11      };
12    this.each(function() {
13      b.onBlur && a(this).addClass(b.onBlur);
14      !b.placeholderSupport && !c.call(this) && a(this).val(a(this).attr("placeholder"));
15      b.onChange && c.call(this) && a(this).addClass(b.onChange);
16      a(this).bind("focus", function() {
17        !b.placeholderSupport &&
18          a(this).val() == a(this).attr("placeholder") && a(this).val("");
19        b.onFocus && a(this).addClass(b.onFocus);
20        b.onBlur && a(this).removeClass(b.onBlur)
21      }).bind("blur", function() {
22        !b.placeholderSupport && !c.call(this) && a(this).val(a(this).attr("placeholder"));
23        b.onFocus && a(this).removeClass(b.onFocus);
24        b.onBlur && a(this).addClass(b.onBlur);
25        b.onChange && c.call(this) ? a(this).addClass(b.onChange) : a(this).removeClass(b.onChange)
26      })
27    });
28    return this
29  }
30})(jQuery);