Comments (4)
07 月 12 日
Shell
mv
命令,移动文件或文件夹,实际就是剪切。
$ mv index.php /var/www
from demo.
07 月 13 日
Shell
mv
命令,重命名文件或文件夹。
$ mv index.php home.php
from demo.
07 月 14 日
JS
- switch 的 case 匹配操作是
===
恒等运算符的比较,而不是==
相等运算符比较。
from demo.
07 月 18 日
JS
defer
使得浏览器延迟脚本的执行,相当于将 script 标签放置底部,延迟的脚本会按它们在文档里的出现顺序执行,所以如果前后有依赖关系的js可以放心使用;async
使得浏览器可以尽快执行脚本,而不用再下载脚本时阻塞文档解析。异步脚本在它们载入后就会执行,所以它们可能会无序执行。
from demo.
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