Jasmine.js - Hello World Published 2016-01-10 18:59 js testing > using VSCode 1.download last version [Jasmine.js](https://github.com/jasmine/jasmine/releases) in Github, currently version is 2.4.1 (or using git clone it) 2.unzip it 3.install jasmine tsd in unzip folder ```shell $ npm install -g tsd // if not install tsd $ tsd install jasmine --save // install node tsd file and save in tsd.json ``` 4.create `hello.js` file in `src` folder ```js function helloWorld(){ return "Hello World !"; } ``` 5.create `hello.spec.js` file in `spec` folder ```js describe("Hello world Test", function(){ it("says hello", function(){ expect(helloWorld()).toEqual("Hello World !"); }) }); ``` 6.modify `SpecRunner.html` file, write `hello.js` and `hello.spec.js` path in script and remove other  7.browse `SpecRunner.html`, you can see `0 failures`  8.if modify `hello.js` ```js function helloWorld(){ return "Hello World 123"; } ``` 9.refresh `SpecRunner.html`, you can see `1 failures` 
