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Checkbox implements click event to trigger content change of span element
- 一个新手Original
- 2017-09-29 10:07:071718browse
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>checkbox</title>
<script src="jquery.js"></script>
</head>
<body>
<p>我想去<span id="spanId">_____</span></p>
<form action="#" id="form">
<input type="checkbox" name="city" value="南京">南京
<input type="checkbox" name="city" value="北京">北京
<input type="checkbox" name="city" value="纽约">纽约</form>
<script>
$(function () {
$("input[name=city]").click(function () {
var arr = [];
$("input[name=city]").each(function () {
if(this.checked){
arr.push(this.value);
}else{
var index = arr.indexOf(this.value);
if(index != -1){
arr[index] = "";
}
}
});
$("#spanId").text(arr.join(","));
})
});</script>
</body>
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