工作中经常遇到网站中要更换一个字，但更新模板和修改太麻烦，下面只需要一段js就可以随意更改页面的某个字符。
document.body.innerHTML = document.body.innerHTML.replace(/替换的字/g, '替换后的字');这样网页页面中所有‘替换的字’就被替换成‘替换后的字’,省时省力，特别适合页面临时改动。
js随意替换页面文字字符
Yuanman
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