<!DOCTYPE html>
<html>
<head>
<meta charset=
"UTF-8"
>
<title>Document</title>
</head>
<body>
<form>
<label
for
=
"apple"
>苹果</label>
<input type=
"checkbox"
name=
"apple"
>
<label
for
=
"banana"
>香蕉</label>
<input type=
"checkbox"
name=
"banana"
>
<label
for
=
"orange"
>橘子</label>
<input type=
"checkbox"
name=
"orange"
>
<input type=
"button"
value=
"全选"
onclick=
"allPick()"
>
<input type=
"button"
value=
"全不选"
onclick=
"unAllPick()"
>
<input type=
"button"
value=
"反转"
onclick=
"inverserPick()"
>
</form>
<script src=
"http://cdn.bootcss.com/jquery/3.1.1/jquery.min.js"
></script>
<script>
function
allPick() {
$(
"[type=checkbox]:checkbox"
).each(
function
() {
this.checked = true;
})
}
function
unAllPick() {
$(
"[type=checkbox]:checkbox"
).each(
function
() {
this.checked = false;
})
}
function
inverserPick() {
$(
"[type=checkbox]:checkbox"
).each(
function
() {
this.checked = !this.checked;
})
}
</script>
</body>
</html>