abstract：<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/j
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
document.write('歡迎來(lái)到PHP中文網(wǎng)')
var a= 6,b=7;
var c=a+b;
document.write(a+=b);
document.write(c);
</script>
</head>
<body>
</body>
</html>
Correcting teacher：韋小寶Correction time：2019-01-05 09:21:34
Teacher's summary：寫(xiě)的還是很簡(jiǎn)潔！不過(guò)已經(jīng)起到了變量的作用了！繼續(xù)加油吧！