I have an array of objects that displays in a table on my html page in one of my Vue components. The array of objects is data in the state of a Vuex store.  export const store = new Vuex.Store({     state: {         jobs: [{...},{...},{...},{...},{.....
I'm using GraphQL and Apollo on my React Native app, my queries are running fine, but when I try to run a mutation (that is working with the exact same code on the browser), I get the following error:  Error: Network error: Response not successfu...
I'm writing some test for React Components with Jest in ES6. In one test, i need clone a json imported and mutate the cloned object, but when i mutate the object cloned, the original object mutates too!  import obj from './object.json';...
I have a web application that has an index.html that loads data via ajax to show different pages.  On those different pages I want to place data-watch="true" attributes on some elements that need to be watched for changes (including itself an...
I stuck on a function that supposed to count upper letters in a string. But instead the counter results in 0 and I've no idea where I made a mistake.  const bigLettersCount = (str) => {   let result = 0;   for (let i = 0; i...
I have an array that comes as an String (and cannot change it for now). I receive the String and need to do JSON.parse() over stringified array, to make it an array again.  I cannot do it in componentDidMount function, because it's not a best pra...
I'm trying to understand if mutations in Vuex are atomic. I have this code and I'm not sure if there is any scenario when CHANGE_A mutation will be call while CHANGE_B is not finished yet:  const mutations = {   [CHANGE_A](state, DATA) {...
I have 2 properties declared like so:  ngOnInit() { this.defaultRequirements = myData.property1.countryDocument; //should never change this.filteredRequirements = myData.property1.countryDocument;  }   When I run this onFilter function, the defaultRe...
My code is running except for mutation([“Mary”, “Army”]) should return true, but it is returning false and mutation([“Mary”, “Aarmy”]) should return true, but it is returning false.  Can someone please explain why this is happening?...
I am currently learning Javascript and one of my chapters is "Mutation Observer". I am trying to create a simple function which detects if a new div was added to the page and display it in the console. However, I am getting this message and I...

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