target4已更改但是提示没有按钮没有更改

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sunnyiscloudy edited this page Jun 20, 2018 · 1 revision

<script> $(document).ready(function() { $("#target1").css("color", "red"); $("#target4").html(" jQuery playground "); }); </script>

jQuery Playground

#left-well

#target1 #target2 #target3

#right-well

#target4 #target5 #target6

要求HTML上加多一行注释，直接复制代码要求的注释文本也依然报错，Need some help