delete an item in javascript code example

Example 1: how to delete element in list javascript

//using filter method
let itemsToBeRemoved = ["Sunday", "Monday"]
var filteredArray = myArray.filter(item => !itemsToBeRemoved.includes(item))

Example 2: javascript remove function from object

var obj = {
  func: function(a, b) {
    return a + b;
  }
};
delete obj.func;
obj.func(); // Uncaught TypeError: obj.func is not a function