jquery中一些常用方法总结

 1 String str = "hello world";
 2 request.setAttribute("str",str);
 3 
 4 List

<input type="text" value="${str}"/>

<c:forEach items="${list}" var="Li" varStatus="i">
    <option value="${Li.key}">${Li.value}option>
c:forEach>

var str = "${str}";

var key1 = "${list[0].key}";
var value1 = "${list[0].value}";
var key2 = "${list[1].key}";
var value2 = "${list[1].value}";

 1 
 2     
 3         val1
 4         val2
 5         val3
 6         val4
 7     
 8 
 9     单选按钮 //默认选中
10     复选框 //默认选中
11 
12 
13 

var str = "hello world";
var substr = "hell";
if(str.indexOf(substr,0)>=0){
  alert("包含");  //弹框显示"包含"
}else{
  alert("不包含");  
}