die()方法加上live()方法, 为选定的元素删除一个或多个事件处理程序。
语法如下:
$(selector).die(event, function)
参数:
- 事件:指定要删除的一个或多个事件处理程序。多个有效事件值以空格分隔。
- 功能:它用于指定要删除的功能。
示例1:
<!DOCTYPE html>
< html >
< head >
< script src =
"https://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js" >
</ script >
< script >
function changeSize() {
$(this).animate({
fontSize: "+=3px"
});
}
function changeSpacing() {
$(this).animate({
letterSpacing: "+=2px"
});
}
$(document).ready(function() {
$("p").live("click", changeSize);
$("p").live("click", changeSpacing);
$("button").click(function() {
$("p").die("click", changeSize);
});
});
</ script >
</ head >
< body >
< center >
< p style = "color:green;" >
Geeks for geeks.
</ p >
< button >
added with the live() method, Remove the event handler changeSize(), for p elements
</ button >
</ center >
</ body >
</ html >
输出如下:
在单击段落之前:

单击该段后:

示例2:
<!DOCTYPE html>
< html >
< head >
< script src =
"https://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js" >
</ script >
< script >
function changeSize() {
$(this).animate({
fontSize: "+=3px"
});
}
function changeSpacing() {
$(this).animate({
letterSpacing: "+=2px"
});
}
$(document).ready(function() {
$("h1").live("click", changeSize);
$("h1").live("click", changeSpacing);
$("button").click(function() {
$("h1").die("click", changeSize);
});
});
</ script >
</ head >
< body >
< div >
< center >
< h1 >welcome to GFG</ h1 >
</ center >
</ div >
< center >
< button >click here</ button >
</ center >
</ body >
</ html >
在单击段落之前:

单击该段后:
