[jquery] Show/Hide Multiple Divs with Jquery

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jQuery(function() {_x000D_
  jQuery('#showall').click(function() {_x000D_
    jQuery('.targetDiv').show();_x000D_
  });_x000D_
  jQuery('.showSingle').click(function() {_x000D_
    jQuery('.targetDiv').hide();_x000D_
    jQuery('#div' + $(this).attr('target')).show();_x000D_
  });_x000D_
});
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>_x000D_
<div class="buttons">_x000D_
  <a id="showall">All</a>_x000D_
  <a class="showSingle" target="1">Div 1</a>_x000D_
  <a class="showSingle" target="2">Div 2</a>_x000D_
  <a class="showSingle" target="3">Div 3</a>_x000D_
  <a class="showSingle" target="4">Div 4</a>_x000D_
</div>_x000D_
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<div id="div1" class="targetDiv">Lorum Ipsum1</div>_x000D_
<div id="div2" class="targetDiv">Lorum Ipsum2</div>_x000D_
<div id="div3" class="targetDiv">Lorum Ipsum3</div>_x000D_
<div id="div4" class="targetDiv">Lorum Ipsum4</div>
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http://jsfiddle.net/XwN2L/