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【jQuery】要素の追加、削除の方法(append,prepend,remove,empty..)

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#要素の追加、削除方法
1.追加
・append
・prepend
・after
・before

2.削除
・remove //要素自身を削除
・empty   //子要素を削除
・html("")  //要素の内容を削除

##追加
demo:https://jsfiddle.net/boababy/w7d9j5vk/12/

<ul>
  <li>最初のli</li>
</ul>

<div> 元div</div>

<script>
  $(function(){
  
  //内部追加
    var li=$("<li>後付けのli append</li>")
    var li2=$("<li>後付けのli prepend</li>")

    $("ul").append(li)
    $("ul").prepend(li2)
    
  //外部追加
    var div1=$("<div>後付けのdiv before</div>")
    var div2=$("<div>後付けのdiv after</div>")

    $("div").before(div1)
    $("div:eq(1)").after(div2)  
    
});

</script>

##削除
demo:https://jsfiddle.net/boababy/xwom24j8/9/


<div class="remove">
remove
</div>
<button id="remove-bt" type="button">
remove element
</button>

<div class="empty">
<p>empty</p>
<p>empty</p>
</div>
<button id="empty-bt" type="button">
empty element
</button>

<div class="html">
<p>html</p>
<p>html</p>
</div>
<button id="html-bt" type="button">
use html empty element
</button>

<script>
$(function(){

   $("#remove-bt").click(function(){
      $(".remove").remove()
   })

 
   $("#empty-bt").click(function(){
      $(".empty").empty()
   })

   $("#html-bt").click(function(){
      $(".html").html("")
   })
  

});
</script>


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