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              <!-- remove()を実行する要素 -->
<div id="wrapper">
  <div id="test">なるほど</div>
  <p>わいわい</p>
</div>

<!-- empty()を実行する要素 -->
<div id="outer">
  <div id="inner">こんにちは</div>
  <p>だわいわい</p>
</div>
            
          
!
            
              //remove()を実行した場合は要素(この場合div id="test")ごと削除される。
$("#test").remove();

//empty()を実行した場合は要素(この場合div id="inner")は残り、中身のテキスト(この場合「こんにちは」)が削除される。
$("#inner").empty();

//要素ごと削除されるので、#wrapper中のdivの数は0
console.log($("#wrapper").find("div").length);

//要素は残り中身は削除されるので、#outer中のdivの数は1
console.log($("#outer").find("div").length);
            
          
!
999px
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