JS one line UTILS for every project.md

Capitalize first line

  function capitalizeFirstLetter(str) {
    return `${a.charAt(0).toUpperCase()}${a.slice(1)}`;
  }

Get selected text from DOM

  function getSelectedText() {
    return window.getSelection().toString();
  }

Sort array of numbers

  const arr = [10,9,1,11];
  function sortNumbers = (a , b) => a - b;
  arr.sort(sortNumbers);

clone array, objects

  const arr = [1,2,3];
  const arrCopy = [...arr];
  
  const obj = {a:1};
  const objCopy = {...obj};

merging objects without side effects

  Object.assign({}, obj1, obj2)