CSS實現按鈕點選的水波紋特效
阿新 • • 發佈：2018-12-27
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.waves{
position:relative;
cursor:pointer;
display:inline-block;
overflow:hidden;
text-align: center;
-webkit-tap-highlight-color:transparent;
z-index:1;
}
.waves .waves-animation{
position:absolute;
border-radius:50%;
width:25px;
height:25px;
opacity:0;
background:rgba(255,255,255,0.3);
transition:all 0.7s ease-out;
transition-property:transform, opacity, -webkit-transform;
-webkit-transform:scale(0);
transform:scale(0);
pointer-events:none
}
.btn{
width: 200px;
height: 56px;
line-height: 56px;
background: #1ABC9C;
color: #fff;
border-radius: 5px;
}
</style>
</head>
<body>
<a class="waves btn">Click me!</a>
</body>
<script>
document.addEventListener('DOMContentLoaded',function(){
var duration = 750;
// 樣式string拼湊
var forStyle = function(position){
var cssStr = '';
for( var key in position){
if(position.hasOwnProperty(key)) cssStr += key+':'+position[key]+';';
};
return cssStr;
}
// 獲取滑鼠點選位置
var forRect = function(target){
var position = {
top:0,
left:0
}, ele = document.documentElement;
'undefined' != typeof target.getBoundingClientRect && (position = target.getBoundingClientRect());
return {
top: position.top + window.pageYOffset - ele.clientTop,
left: position.left + window.pageXOffset - ele.clientLeft
}
}
var show = function(event){
var pDiv = event.target,
cDiv = document.createElement('div');
pDiv.appendChild(cDiv);
var rectObj = forRect(pDiv),
_height = event.pageY - rectObj.top,
_left = event.pageX - rectObj.left,
_scale = 'scale(' + pDiv.clientWidth / 100 * 10 + ')';
var position = {
top: _height+'px',
left: _left+'px'
};
cDiv.className = cDiv.className + " waves-animation",
cDiv.setAttribute("style", forStyle(position)),
position["-webkit-transform"] = _scale,
position["-moz-transform"] = _scale,
position["-ms-transform"] = _scale,
position["-o-transform"] = _scale,
position.transform = _scale,
position.opacity = "1",
position["-webkit-transition-duration"] = duration + "ms",
position["-moz-transition-duration"] = duration + "ms",
position["-o-transition-duration"] = duration + "ms",
position["transition-duration"] = duration + "ms",
position["-webkit-transition-timing-function"] = "cubic-bezier(0.250, 0.460, 0.450, 0.940)",
position["-moz-transition-timing-function"] = "cubic-bezier(0.250, 0.460, 0.450, 0.940)",
position["-o-transition-timing-function"] = "cubic-bezier(0.250, 0.460, 0.450, 0.940)",
position["transition-timing-function"] = "cubic-bezier(0.250, 0.460, 0.450, 0.940)",
cDiv.setAttribute("style", forStyle(position));
var finishStyle = {
opacity: 0,
"-webkit-transition-duration": duration + "ms",
"-moz-transition-duration": duration + "ms",
"-o-transition-duration": duration + "ms",
"transition-duration": duration + "ms",
"-webkit-transform" : _scale,
"-moz-transform" : _scale,
"-ms-transform" : _scale,
"-o-transform" : _scale,
top: _height + "px",
left: _left + "px",
};
setTimeout(function(){
cDiv.setAttribute("style", forStyle(finishStyle));
setTimeout(function(){
pDiv.removeChild(cDiv);
},duration);
},100)
}
document.querySelector('.waves').addEventListener('click',function(e){
show(e);
},!1);
},!1);
</script>
</html>