Facebook's html and twitter bootstrap html (before v3) both use the <i> 在国际音标字母表中： [ɪ] 表记闭次前不圆唇元音，如 sick 的 i ； [i] 表记闭前不圆唇元音，与 seek 的 ee 相似。对应至英美英语的标准国际音标转写中，前者表记常说的短 i ，后者于被稍微变化后表记常说. The i element represents a span of text in an alternate voice or m.
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In c, what is the difference between using ++i and i++, and which should be used in the incrementation block of a for loop?
The way for loop is processed is as follows 1 first, initialization is performed (i=0) 2 the check is performed (i < n) 3 the code in the loop is executed.
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区. However, from the html5 spec: Modifying a value twice in the same expression (in this case your two ++i's) is undefined in both c and c++ and you cannot rely on its behavior to be the same across compilers. I++ 与 ++i 的主要区别有两个： 1、 i++ 返回原来的值，++i 返回加1后的值。 2、 i++ 不能作为左值，而++i 可以。 毫无疑问大家都知道第一点（不清楚的看下下面的实现代码就了然了），我们重点说下第.
In javascript i have seen i++ used in many cases, and i understand that it adds one to the preceding value:
