點選標題可以展開效果程式碼例項

admin發表於2017-04-15

分享一段簡單的程式碼例項，它實現了點選標題展開內容的效果。

程式碼例項:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style>
#wrap {
  width: 600px;
  height: 600px;
  border: 1px solid #ccc;
  margin: 0 auto;
}
.list_wrap {
  width: 100%;
  height: 40px;
  font-weight: normal;
  border-bottom: 1px solid #beceeb;
  overflow: hidden;
  transition: all 1s ease-out;
}
.list_wrap h2 {
  width: 100%;
  height: 40px;
  line-height: 40px;
  cursor: pointer;
  margin: 0;
  background: rgb( 202,219,235);
  position: relative;
  text-indent: 50px;
}
.list_wrap h2 span {
  display: block;
  width: 0;
  height: 0px;
  border-width: 10px;
  overflow: hidden;
  border-style: solid;
  border-color: transparent transparent transparent #000;
  position: absolute;
  left: 20px;
  top: 10px;
}
.list_wrap p {
  display: block;
  width: 100%;
  color: #333;
  padding: 10px;
  box-sizing: border-box;
}
.active {
  height: 520px;
}
.active h2 {
  background: rgb( 0,219,235);
}
.active h2 span {
  border-color: #000 transparent transparent transparent;
  left: 10px;
  top: 20px;
}
</style>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script>
<script>
$(function () {
  $(".list_wrap").click(function () {
    $(this).addClass("active").siblings().removeClass("active");
  });
});
</script>
</head>
<body>
<div id="wrap">
  <div class="list_wrap">
    <h2><span></span>div css教程</h2>
    <p></p>
  </div>
  <div class="list_wrap">
    <h2><span></span>javascript教程</h2>
    <p></p>
  </div>
  <div class="list_wrap">
    <h2><span></span>json教程</h2>
    <p></p>
  </div>
</div>
</body>
</html>

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