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Home Web Front-end H5 Tutorial js学到最后是一种什么感觉或者状态?

js学到最后是一种什么感觉或者状态?

Jun 07, 2016 am 08:44 AM

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nodejs开发的操作系统Node OS
js开发桌面级应用程序,听朋友说win10支持js开发桌面级应用?nwjs/nw.js · GitHub
感觉js学一段时间自然会对node感兴趣,然后就是无尽的大坑... 难道不是在页面里自己写个chrome然后轻松解决一切兼容问题么? 大概是给 ES5/6 写 Small Step Semantics 吧。下面是变量赋值的,使用 CEK 范式

  • Setv-right: \cfrac{\mathrm{ident}\ u}{[\mathrm{setv}\ u\ c_2, e, s, k, t] \rightarrow [c_2, e, s, (\mathrm{setv}\ u\ \square)\gg=k, t]}
  • Setv-declared: \cfrac{\mathrm{ident}\ u\qquad\mathrm{declared*}\ e\ u}{[\mathrm{just}\ x, e, s, (\mathrm{setv}\ u\ \square)\gg= k, t] \rightarrow [\mathrm{just}\ x, e, s[(e\ u)=x], k, t]}
  • Setv-undeclared-notstrict: \cfrac{\mathrm{ident}\ u\qquad\neg\mathrm{declared*}\ e\ u\qquad\neg\mathrm{strict}\ e\qquad e' = \mathrm{addglobalslot}\ e\ u}{[\mathrm{just}\ x, e, s, (\mathrm{setv}\ u\ \square)\gg= k, t] \rightarrow [\mathrm{just}\ x, e', s[(e'\  u)=x], k, t]}
  • Setv-undefined-strict: \cfrac{\mathrm{ident}\ u\qquad\neg\mathrm{declared*}\ e\ u\qquad\mathrm{strict}\ e}{[\mathrm{just}\ x, e, s, (\mathrm{setv}\ u\ \square)\gg= k, t] \rightarrow [\text{throw ``Undeclared Variable''}, e, s, k, t]}
产生了这样一种冲动:
使用 JavaScript 在页面内实现一个渲染引擎,完整具备HTML,CSS,JavaScript的语义。
使用 JavaScript 在页面内实现一个浏览器,可进行多页面浏览以及各种选项配置功能。
使用 JavaScript 在页面内实现一个操作系统,操作系统内部又可以安装浏览器。
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