變量和辨別符

JavaScript中不能作為變量名的關鍵字和保留字總結：

1、js中的關鍵字：

break case catch continue default

delete do else finally for

function if in instanceof new

return switch this throw try

typeof var void while with

2、js中的保留字：

abstract boolean byte char class

const debugger double enum export

extends final float goto implements

import int interface long native

package private protected public short