converts a string into a Base64 method of formatting: Window.atob ( string to convert ) = = ASCII to base64
will be encoded into Base64 method of restoring string data: Window.btoa (Base64 encoded string ) = = Base64 to ASCII
Keyboard events (KeyUp, KeyDown, KeyPress) can listen for an area binding, triggering the listening condition if the area receives focus.
Seajsin modular development, after the anonymous module is compressed and merged, if noIDwill appear Useand therequireThe main module cannot be found, so you need to define the module manuallyID (generally according to the module path definition), or useTransporttool to convert anonymous modules into named modules. In defining the moduleIDthe time to abide by the " ID and path matching principle ". such as: Directoryain aB.js,C.jstwo modules, before compressing inbin the modulevar c = require ("./C");is successful, after compressionCis aNULL, special attention must be paid to this point.
JS Learning Note