云端漫步的专栏

 JavaScript就这么回事1：基础知识1 创建脚本块1: 2: JavaScript code goes here3:  2 隐藏脚本代码1: 2: 3: document.write(“Hello”);4: // -->5: 在不支持JavaScript的浏览器中将不执行相关代码3 浏览器不支持的时候显示1: 2: Hello to the non-Ja

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