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下拉刷新.html
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下拉刷新.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Document</title>
<style type="text/css">
html,
body,
header,
div,
main,
p,
span,
ul,
li {
margin: 0;
padding: 0;
}
#refreshContainer li {
background-color: #eee;
margin-bottom: 1px;
padding: 20px 10px;
}
.refreshText {
position: absolute;
width: 100%;
line-height: 50px;
text-align: center;
left: 0;
top: 0;
}
</style>
</head>
<body>
<main>
<p class="refreshText"></p>
<ul id="refreshContainer">
<li>111</li>
<li>222</li>
<li>333</li>
<li>444</li>
<li>555</li>
<li>111</li>
<li>222</li>
<li>333</li>
<li>444</li>
<li>555</li>
<li>111</li>
<li>222</li>
<li>333</li>
<li>444</li>
<li>555</li>
</ul>
</main>
<script type="text/javascript">
(function (window) {
var _element = document.getElementById("refreshContainer"),
_refreshText = document.querySelector(".refreshText"),
_startPos = 0,
_transitionHeight = 0;
console.log("_element:", _element);
console.log("_refreshText:", _refreshText);
_element.addEventListener(
"touchstart",
function (e) {
console.log("初始位置：", e.touches[0].pageY);
_startPos = e.touches[0].pageY;
_element.style.position = "relative";
_element.style.transition = "transform 0s";
console.log(111);
},
false
);
_element.addEventListener(
"touchmove",
function (e) {
console.log("当前位置：", e.touches[0].pageY);
_transitionHeight = e.touches[0].pageY - _startPos;
if (_transitionHeight > 0 && _transitionHeight < 60) {
_refreshText.innerText = "下拉刷新";
_element.style.transform = "translateY(" + _transitionHeight + "px)";
if (_transitionHeight > 55) {
_refreshText.innerText = "释放更新";
}
}
},
false
);
_element.addEventListener(
"touchend",
function (e) {
_element.style.transition = "transform 0.5s ease 1s";
_element.style.transform = "translateY(0px)";
_refreshText.innerText = "更新中...";
// todo...
},
false
);
})(window);
</script>
</body>
</html>