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[ajax] 20.eval 是做什么的？ #81

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qiilee opened this issue Sep 29, 2019 · 0 comments
Open

[ajax] 20.eval 是做什么的？ #81

qiilee opened this issue Sep 29, 2019 · 0 comments
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qiilee commented Sep 29, 2019

答案：它的功能是把对应的字符串解析成 JS 代码并运行；

解析：应该避免使用 eval，不安全，非常耗性能（2 次，一次解析成 js 语句，一次执行）。
@qiilee qiilee added the Ajax label Sep 29, 2019
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