Replace element at specific position in an array without mutating it

by

You can use Object.assign:

Object.assign([], array, {2: newItem});

More Related Contents:

  1. javascript extract certain properties from all objects in array
  2. Why are Objects not Iterable in JavaScript?
  3. Create object from array
  4. Filtering an array with a function that returns a promise
  5. How to generate range of numbers from 0 to n in ES2015 only?
  6. How to find duplicate values in a JavaScript array of objects, and output only unique values?
  7. Using Array objects as key for ES6 Map
  8. Convert ES6 Iterable to Array
  9. Get list of duplicate objects in an array of objects
  10. Extract certain properties from all objects in array
  11. spread operator vs array.concat()
  12. Unexpected comma using map()
  13. Find all values by specific key in a deep nested object
  14. Update one of the objects in array, in an immutable way
  15. Javascript: Is the length method efficient?
  16. How to create an array of objects from multiple arrays
  17. Array.from() vs spread syntax
  18. How to delete property from spread operator?
  19. Compare two Arrays with Objects and create new array with unmatched objects
  20. setState doesn’t update the state immediately
  21. Does ES6 introduce a well-defined order of enumeration for object properties?
  22. Why can I change a constant object in javascript
  23. ECMAScript 6 features available in Node.js 0.12
  24. ES6: Conditional & Dynamic Import Statements
  25. JavaScript ‘in’ operator for `undefined` elements in Arrays
  26. Can I use arrow function in constructor of a react component?
  27. javascript surprising array comparison
  28. How to destructure option argument with all default values in ES6?
  29. Is it possible to export Arrow functions in ES6/7?
  30. Group and count values in an array

Leave a Comment