!1 和 !0 在 Javascript 中是什么意思？
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What does !1 and !0 mean in Javascript?
提问by m_vdbeek
Possible Duplicate:
return !1 in javascript
可能的重复：
在 javascript 中返回 !1
In a JavaScript file I had to read today, there was a line where a variable was declared like a factorial, like this :
在我今天必须阅读的 JavaScript 文件中，有一行声明变量像阶乘一样，如下所示：
var myVariable = !1;
and then something similar was used as parameter in a function like this :
然后类似的东西被用作这样的函数中的参数：
return variable.myFunction(!0);
Can anyone explain me what the exclamation mark means in this context and eventually, why this is generally used for (benefits) ?
谁能解释一下感叹号在这种情况下的含义，并最终解释为什么这通常用于（好处）？
Thank you in advance !
先感谢您 ！
