The online whiteboard of Kristofer Palmvik
WebAssembly (short: wasm) is a new binary format for the web, created by Google, Microsoft, Mozilla and others. It will be used for performance critical code and to compile languages other than JavaScript (especially C/C++) to the web platform. It can be seen as a next step for asm.js
Three years ago, there was a lot of excitement surrounding Web Components: everybody talked about them, the frameworks Ember and Angular planned to integrate them or even be based on them, etc. By now, that excitement seems to have died down.
If you want to know whether a variable v has a value, you normally have to check for both undefined and null.