After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：JavaScript basic syntax
外部引入格式<script type="tetx/javascript" src=""></script>
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Courses in the relevant section：Function
自定義函數(shù)時(shí)，函數(shù)名不可與當(dāng)前頁面中已定義的變量名相同。
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