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<!DOCTYPE html>
<html>
<head>
<script src="//code.jquery.com/jquery-1.9.1.min.js"></script>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
    <div class="w-col w-col-4 entry abc"> ... </div>
    <div class="w-col w-col-4 entry abc def"> ... </div>
    <div class="w-col w-col-4 entry def"> ... </div>
    <div class="w-col w-col-4 entry 123"> ... </div>
    <div class="w-col w-col-4 entry abc"> ... </div>
    <div class="w-col w-col-4 entry abc def"> ... </div>
    <div class="w-col w-col-4 entry def"> ... </div>
    <div class="w-col w-col-4 entry 123"> ... </div>
    <div class="w-col w-col-4 entry abc def"> ... </div>
    <div class="w-col w-col-4 entry def"> ... </div>
    <div class="w-col w-col-4 entry 123"> ... </div>
</body>
</html>
 
var wrapper = {
  init: function (elemClass) {
    this.className = elemClass || '.w-col';
    this.wrapElems();
  },
  wrapElems: function () {
    var $lines = $(this.className),
        holder = [];
    $lines.each(function (i, item) {
      holder.push(item);
      if (holder.length === 3) {
        $(holder).wrapAll('<div class="w-row" />');
        holder.length  = 0;
      }
    });
    $(holder).wrapAll('<div class="w-row" />');
  }
};
wrapper.init();
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chekitpro
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