I have two class named test in two different files,a.php and b.php for instance,the logic is like this:
This is a 2 part question: 1) click on one of the demo dropdowns on this page. when you tab over to the next input, the text is selected/highlighted in firefox. how can i preve开发者_如何学编程nt thi
1、代码是程序员用开发工具所支持的语言写出来的源文件，是一组由字符、符号或信号码元以离散形式表示信息的明确的规则体系。2、代码设计的原则包括唯一确定性、标准化和通用性、可扩充性与稳定性、便于识别与记忆
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