javascript - .find doesn't work in jquery 1.4.2 and I can't figure out how to support it -

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i can't figure out how write code backwards support jquery 1.4.2. perplexed trying support older library files.

    var n = this;     e(document).ready(function () {         var r = e("body").find(n);         r.attr("placeholder", t);         r.val(t);         n.focus(function () {             e(this).val("")         }).blur(function () {             var r = e(n);             if (r.val() == "") r.val(t)         })     })

you're overcomplicating code. first, don't need use $(document).ready() inside of plugin, can let developer using plugin take care of that. next, inside of plugin, this jquery object containing selected elements. should iterate on them act on each 1 individually.

(function ($) {     $.fn.labelfixer = function (t) {         return this.each(function(){             var $this = $(this);             $this.attr("placeholder",t);             this.value = t;             $this.focus(function(){                 if (this.value == t) {                     this.value = "";                 }             });             $this.blur(function(){                 if (this.value == "") {                     this.value = t;                 }             });         });     }; })(jquery);

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