Dwijendra Parashar

https://www.sitepoint.com/5-typical-javascript-interview-exercises/

 http://centraljs.girnarsoft.com/codeshare#FxtS0 ............................................................................................................. /* FIrst */ const array = []; array.push(1); array.push(2); array.push(3); array[0] = 24;  array = true; let array = []; array.push(1); array.push(2); array.push(3); array[0] = 24;  array = true; /* Hoisting */ console.log(square(2));   const square = (x) => x*x;  console.log(square(2));   var square = (x) => x*x;  console.log(square(2));   function square(x){ return x*x };  /* Operators */ console.log(undefined && true)     console.log(true && undefined)    console.log(true || undefined)     console.log(undefined || true)   /* Prototyping */ const a = { x : 1}; const b = Object.create(a); console.log(b);1 delete b.x; console.log(a);1 console.log(b);1 /* This */ /* context based */ function bike() {...

 https://www.freecodecamp.org/news/how-to-create-a-react-app-with-a-node-backend-the-complete-guide/

 https://www.codecademy.com/articles/bootstrap-deprecated-ii

 https://codersera.com/blog/what-is-new-in-react-v17/ https://codersera.com/blog/what-is-new-in-react-v17/

 https://reactjs.org/docs/testing-recipes.html

 https://www.simplilearn.com/tutorials/reactjs-tutorial/reactjs-interview-questions https://www.edureka.co/blog/interview-questions/react-interview-questions/ https://www.interviewbit.com/react-interview-questions/

1.  edunext  erp is the first application :: use full erp for everything  ;; we can mange the sckool in this. 2.  edunextmeet :: for online classes just like ms teams 3.  edunextlearn :: just like udemy :: is par tutorials honge... 4.  e-exams :: for online exams 5. edunextalumini :: portal for the past passed students 0. these above five application will connect by the database with and one sign up will add in all these. what is erp :: full data entry set record . database entries.all data hum erp se hi uthate hain.. isemein thoda artificial intelligence lagegi..... jo apki voice jaati hai background woh aap bilkul khatam kar doge.....aur teams google meet mein bht problem hai.. Remove unwanted things....    area of the user and voice in the area of the user...area ko bhi user customize kar lega...

 https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array Common operations Create an Array let fruits = [ 'Apple' , 'Banana' ] console . log ( fruits . length ) // 2 Access an Array item using the index position let first = fruits [ 0 ] // Apple let last = fruits [ fruits . length - 1 ] // Banana Loop over an Array fruits . forEach ( function ( item , index , array ) { console . log ( item , index ) } ) // Apple 0 // Banana 1 Add an item to the end of an Array let newLength = fruits . push ( 'Orange' ) // ["Apple", "Banana", "Orange"] Remove an item from the end of an Array let last = fruits . pop ( ) // remove Orange (from the end) // ["Apple", "Banana"] Remove an item from the beginning of an Array let first = fruits . shift ( ) // remove Apple from the front // ["Banana"] Add an item to the beginning of an Array let newLength =...