Functions return only one value. How can we simulate returning multiple values from a function?When we call a function in JavaScript, we can only return one value using the return statement:const getAge = () => { return 37 } const getName = () => { return 'Flavio' }How can we ...
It wouldn’t sound too obvious but sometimes your function might need to return multiple values. For instance, in one of the applications I’m working on, I have a JavaScript function where I have to calculate two different values and return them. So, I needed to return two values from ...
Whenever we say we want to return an object from a function, we return one object from another object (function). There are various ways to return an object using a function. ADVERTISEMENT Let us now see how we can return an object from a function in JavaScript. ...
In this article, we will learn how to return object from function in JavaScript using an example?
However, keep in mind that the comparison will return false if the arrays have elements of different data types, even if their values are the same. Q: How can I compare arrays by reference? A: To compare arrays by reference, you can use the == or === operators. These operators will...
In the upper example, we are supposed to filter the array of objects using two values only. Suppose we have many values that would be checked to filter the array of objects. In that case, we have to save those values in a separate array. ...
The Set object is used to store unique values of primitive values or object references.Javascript push method merging two arrays 1 2 3 4 5 const array1 = ['John', 'John']; const array2 = ['Jack', 'Jack']; const arr = [...array1, ...array2]; const unique = [...new ...
In JavaScript, all exceptions are simply objects. While the majority of exceptions are implementations of the global Error class, any old object can be thrown. With this in mind, there are two ways to throw an exception: directly via an Error object, and through a custom object. ...
allow one dot or comma to be enter in javascript function Allow only Numbers(0-9) Or a-z, A-Z along with backspace , space in textbox Allow only one dot in a text box using javascript - client side allow user to multi select dropdownlist options Allowing only Alphanumeric characters an...
Here, we are going to learn what callbacks are in JS, then move over quickly to asynchronous JavaScript and finally look at how we can return a value from an asynchronous callback function?