Teacher, why can’t I run the code you taught me?
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
< ;title>Traverse jquery objects</title>
<script src="../jquery-3.3.1.js"></script>
<script>
$( "button").click(function () {
. More functions can be completed.
$("li").each(function (i) {
$(this).css("color","red").html(i "---" "www.php.cn");
});
})
;button type="button" name="button">Please click to change color</button>
<ul>
;PHP Chinese website 02</li>
;/li>
</ul>
</body>
</html>
