abstract：<!DOCTYPE html> <html> <head> <
<!DOCTYPE html>
<html>
<head>
<title>jquery</title>
<script type="text/javascript" src="js/jquery-3.3.1.min.js"></script>
</head>
<body>
<div id="timeId"></div>
<form>
<label>输入1</label><input type="text" name=""><br>
<label>输入1</label><input type="text" name=""><br>
<label>输入1</label><input type="text" name="" disabled><br>
<label>输入1</label><input type="text" name=""><br>
<select>
<option>qq</option>
<option selected>ww</option>
<option>ee</option>
</select>
<label><input class="ch" type="checkbox" name="" value="vv">vv</label>
<label><input class="ch" type="checkbox" name=""v value="vv">bb</label>
<label><input class="ch" type="checkbox" name="" checked value="vv">cc</label>
</form>
<script type="text/javascript">
$(function(){
//$('input[type]').css('background','pink');
//$(':enabled').css('background','red');
$(':selected').parent().css('background','blue');
$(':checked').css('background','pink');
// console.log($('.ch0').val());
// console.log($('.ch0').is(":checked"));
$cc=document.getElementsByClassName('ch');
console.log($cc.length);
console.log($($cc[2]).is(':checked'));
})
</script>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-05-17 09:20:44
Teacher's summary：完成的不错。jq比js简单很多，练好jq，可以减少很多工作量。继续加油