a:active在ios上無效解決方法

緣由:css

By default, Safari Mobile does not use the :active state unless there is a
touchstart event handler on the relevant element or on the <body>.html

解決方法:web

1.body標籤上添加ontouchstart空方法(頁面首個元素起做用)less

<body ontouchstart="">

</body>

2.document或body添加touchstart空事件(頁面首個元素起做用)spa

document.addEventListener("touchstart", function() {},false);
//
document.body.addEventListener("touchstart", function() {})
/*添加以下css配合*/
html {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

3.單個a元素添加ontouchstart空事件.net

<a ontouchstart="">Click me</a>

4.全部a元素添加touchstart空事件code

var a=document.getElementsByTagName(‘a’);

for(var i=0;i<a.length;i++){

    a[i].addEventListener(‘touchstart’,function(){},false);

}

 


參考:https://stackoverflow.com/questions/3885018/active-pseudo-class-doesnt-work-in-mobile-safari
           http://blog.csdn.net/freshlover/article/details/43735273htm

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