What is the best way to get an element by its class name using JavaScript?
我能否使用文件等东西?
What is the best way to get an element by its class name using JavaScript?
我能否使用文件等东西?
Yup,有以下几件事情:getElementsByClassName(
,此处还有browser support list ,其中“除I8和以下”
var elements = document.getElementsByClassName( myClass );
另外,还有querySelectorAll(),其中使用了安保部的甄选人员。 这与“贱民”的所作所为相当。 http://caniuse.com/#search=queryse”rel=“nofollow”> 这里还有一份浏览器支持清单。 “除IE7和以下所有最近浏览器”
var elements = document.querySelectorAll( .myClass );
我更喜欢 j。 询问:
var elements = jQuery(".myClass");
这将收集所有内容,并按类别 = “米Class”。 如果你想要篡改这些内容,那么:
jQuery(".myClass").each( function() {
// Getting element:
var element = jQuery(this);
doSomeStuff(element)
});
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