js橫向滑動摺疊導航選單程式碼例項

antzone發表於2017-04-17
JS

分享一段程式碼例項，它實現了導航選單橫向摺疊滑動效果。

程式碼例項如下:

[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 type="text/css">
#main {
  width: 580px;
  height: 403px;
  margin: 200px auto;
  position: relative;
  background-color: #22FCDF;
  overflow: hidden;
}
#menu {
  width: 500px;
  height: 403px;
}
#menu1 {
  position: absolute;
  left: 0;
}
#menu2 {
  position: absolute;
  left: 20px;
}
#menu3 {
  position: absolute;
  left: 40px;
}
#menu4 {
  position: absolute;
  left: 60px;
}
#menu5 {
  position: absolute;
  left: 80px;
}
.menu .menu-title {
  width: 20px;
  height: 403px;
  float: left;
  cursor: pointer;
}
#menu1 .menu-title {
  background-color: #45A78E;
}
#menu2 .menu-title {
  background-color: #90CC2C;
}
#menu3 .menu-title {
  background-color: #F0AC24;
}
#menu4 .menu-title {
  background-color: #F10808;
}
#menu5 .menu-title {
  background-color: #756E6B;
}
.menu .menu-content {
  position: absolute;
  background-color: #A39B9B;
  width: 480px;
  height: 403px;
  left: 20px;
}
</style>
<script type="text/javascript">
var timer = null;
 
function move(obj, iTrget) {
  clearInterval(obj.timer);
  obj.timer = setInterval(function() {
    var speed = (iTrget - obj.offsetLeft) / 10;
    speed = Math.ceil(speed);
    if (Math.abs(iTrget - obj.offsetLeft) <= 10) {
      clearInterval(timer);
      obj.style.left = iTrget + 'px';
    } else {
      obj.style.left = obj.offsetLeft + speed + 'px';
    }
  }, 30);
}
window.onload = function() {
  var omenu1 = document.getElementById('menu1');
  var omenu2 = document.getElementById('menu2');
  var omenu3 = document.getElementById('menu3');
  var omenu4 = document.getElementById('menu4');
  var omenu5 = document.getElementById('menu5');
  omenu5.onclick = function() {
    if (omenu5.offsetLeft == 80) {
      move(this, 560);
    }
    if (omenu5.offsetLeft == 560) {
      move(this, 80)
      move(omenu1, 0);
      move(omenu2, 20);
      move(omenu3, 40);
      move(omenu4, 60);
    }
  }
  omenu4.onclick = function() {
    if (omenu4.offsetLeft == 60) {
      move(this, 540);
      move(omenu5, 560);
    }
    if (omenu4.offsetLeft == 540) {
      move(this, 60)
      move(omenu1, 0);
      move(omenu2, 20);
      move(omenu3, 40);
    }
  }
  omenu3.onclick = function() {
    if (omenu3.offsetLeft == 40) {
      move(this, 520);
      move(omenu4, 540);
      move(omenu5, 560);
    }
    if (omenu3.offsetLeft == 520) {
      move(this, 40)
      move(omenu1, 0);
      move(omenu2, 20);
    }
  }
  omenu2.onclick = function() {
    if (omenu2.offsetLeft == 20) {
      move(this, 500);
      move(omenu3, 520);
      move(omenu4, 540);
      move(omenu5, 560);
    }
    if (omenu2.offsetLeft == 500) {
      move(this, 20)
      move(omenu1, 0);
    }
  }
  omenu1.onclick = function() {
    if (omenu1.offsetLeft == 0) {
      move(this, 480);
      move(omenu2, 500);
      move(omenu3, 520);
      move(omenu4, 540);
      move(omenu5, 560);
    }
    if (omenu1.offsetLeft == 480) {
      move(this, 0)
    }
  }
}
</script>
</head>
<body>
  <div id="main">
    <div class="menu">
      <div id="menu1" style="left:480px">
        <div class="menu-title">螞蟻部落一</div><div class="menu-content"></div>
      </div>
      <div id="menu2" style="left:500px">
        <div class="menu-title">螞蟻部落二</div><div class="menu-content"></div>
      </div>
      <div id="menu3" style="left:520px">
        <div class="menu-title">螞蟻部落三</div><div class="menu-content"></div>
      </div>
      <div id="menu4" style="left:540px">
        <div class="menu-title">螞蟻部落四</div><div class="menu-content"></div>
      </div>
      <div id="menu5" style="left:560px">
        <div class="menu-title">螞蟻部落五</div><div class="menu-content"></div>
      </div>
    </div>
  </div>
</body>
</html>

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