javascript – How to remove eventlistener while passing the data to the listener using bind?

Exception or error: I am adding an event listener and then trying to remove it as shown: Scenario-1 class A{ function A(){ elem.addEventListener(‘mouseover’,this.onMouseOver); elem.addEventListener(‘mouseout’,this.onMouseOut); } function B(){ elem.removeEventListener(‘mouseout’, this.onMouseOut); } function onMouseOver(){ } function onMouseOut(){ console.log(‘——————————-mouse out————-‘); } } In the above scenario my listener is getting removed but it is not getting removed when …

javascript – Jest/React – Could not locate module react-test-renderer/shallow mapped as:

Exception or error: Well I a have a setup with Webpack and Jest for testing React application and also using Webpack’s aliases.PSB my aliases present in webpack.config resolve: { extensions: [‘.js’, ‘.jsx’, ‘.json’, ‘.scss’, ‘.css’], alias: { components: path.resolve(ROOT_PATH, ‘app/src/components’), containers: path.resolve(ROOT_PATH, ‘app/src/containers’), pages: path.resolve(ROOT_PATH, ‘app/src/pages’), styles: path.resolve(ROOT_PATH, ‘app/styles’), images: path.resolve(ROOT_PATH, ‘app/images’), utils: path.resolve(ROOT_PATH, ‘app/src/utils’), …

javascript – Troupbles with creating apk with React Native

Exception or error: I’m new too React Native and just created an app with this command react-native init rnapp It’s ouputed many warnings: npm notice created a lockfile as package-lock.json. You should commit this file. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.7 (node_modules\jest-haste-map\node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.11: wanted {“os”:”darwin”,”arch”:”any”} …