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Examples of each method and common selectors in jquery

巴扎黑
巴扎黑Original
2017-07-09 11:20:21916browse

This article mainly introduces the use of each method and common selectors in jquery. Friends who need it can refer to 


 <head> 
<title></title> 

<script src="jquery-1.4.2.js" type="text/javascript"></script> 
<script type="text/javascript"> 

$(function() { 
//alert($("p").text()); 
//对数组元素使用匿名函数进行逐个处理。 
$("p").each(function(key, value) { 
//alert(key+value); 
// alert($(value).text()); 
alert(this.innerHTML); 
}); 
//this表示当前遍历的dom元素 
$("p").each(function() { 
alert($(this).text()); 
}); 
}); 
</script> 
</head> 
<body> 
<p id="testDom">11111</p> 
<p>2222</p> 
<p>33333</p> 
</body>

Commonly used selectors:

1. Class: $(".error").
2.id: $("#daLong").
3. Tag: $("p" ).
4.Attribute:$("p[name=apple]").
5.Form:$("input:checked").

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