一、js方法
<style>
div {
background-color: red;
height: 100px;
width: 100px;
}
div.flash {
background-color: green;
}
</style>
<body>
<div></div>
<button class="start">开始</button>
<button class="pause">暂停</button>
</body>
<script>
var flashing;
$('.start').on('click', startFlash);
$('.pause').on('click', pauseFlash);
function startFlash() {
flashing = setInterval(function () {
$('div').toggleClass('flash')
}, 100);
}
function pauseFlash() {
clearInterval(flashing);
}
</script>
二、css方法
<style>
div {
background-color: red;
height: 100px;
width: 100px;
}
div.flash {
animation: myfirst .1s infinite;
-webkit-animation: myfirst .1s infinite;
}
@keyframes myfirst {
from {
background: red;
}
to {
background: yellow;
}
}
</style>
<body>
<div></div>
<button class="start">开始</button>
<button class="pause">暂停</button>
</body>
<script>
var flashing;
$('.start').on('click', startFlash);
$('.pause').on('click', pauseFlash);
function startFlash() {
$('div').addClass('flash')
}
function pauseFlash() {
$('div').removeClass('flash')
}
</script>
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