In JavaScript, the call() and apply() methods are both used to borrow and call a function on another object. The only difference between them is the way they accept arguments: Both methods are useful when borrowing functionality. To call a function of one object on another object you can use call() or apply(). This is …
JavaScript call() vs apply(): A Complete Guide (Examples) Read More »
In JavaScript, the difference between for…of loop and a for…in loop is that: This guide teaches you what are the for…of and for…in loops in JavaScript. Besides, you will learn what’s the main difference via practical examples. Even though the above answer gives you a good hint about the distinction, there are useful and illustrative …
JavaScript for…of vs for…in Loops (A Complete Guide) Read More »
In JavaScript, one of the fundamental data types is the array. The array is a collection of elements, such as numbers, strings, or other types of objects. It’s a data store that lets you store and access data easily in your JavaScript programs. Because every program deals with data, you need arrays all the time. …
In JavaScript, you can use the built-in Array.forEach() method to act upon each element in the array. For instance, given an array of numbers, let’s print all the values one number at a time: Output: The forEach() method does not create a new array. Instead, it just operates for each element. If you want to …
JavaScript forEach() Method: Ultimate Guide (Examples & Theory) Read More »
The main difference between let and var in JavaScript is: This means you can have multiple let variables with the same name as long as they live in different scopes, such as in different functions. For instance: In addition to this, there is a bunch of important differences, such as hoisting. These are important to …
“let” vs “var” in JavaScript: A Comprehensive Guide (Examples) Read More »
To produce a range of letters (characters) in Python, you have to write a custom function that: Here is the code for creating a range of characters in Python: Output: This is the quick answer. Feel free to use this code in your project. However, to understand how it works, let’s build this function from …
In Python, you can introduce logic to your code with if-else statements. You can use if-else statements to build decision-making capabilities for your program. For example: When you run this piece of code, it tells whether or not you can drive based on your age. Because the age is 10, the program tells you cannot …
In Python, super() method makes it possible to access the members of a parent class. To understand what is a parent class, you need to know what class inheritance means. Before jumping into the details, let’s see a quick example of using the super() method. For instance: Output: In this piece of code: In this …
To join a list of strings into a string in Python: For example, let’s join a list of words by a dash: Output: Perhaps the most common question is how to join strings into one string separated by space. To do this: Here is how it looks in the code. Output: If you were looking …
Python How to Join a List of Strings (with Examples) Read More »
To get the current URL of the page you are visiting using JavaScript, access the window.location.href property: Alternatively, you can access the current URL via document.URL property. However, it has some shortcomings that I’ll explain in a bit. Let’s take a closer look at the window.location object. It has useful properties other than the href …
How to Get Current URL in JavaScript (& Useful Examples) Read More »
