In programming, our first consideration is usually the machine — how the computer is reading and interpreting the code we write. However, it’s equally important to consider the people who will be reading and working with the code. Whether you’re working with a team or on your own, you ...
Adding comments to your code is a helpful way to include notes that explain to you or others what the code does. Code or other text that is commented out is ignored by the browser. Read on to see how to create comments in HTML, CSS and JavaScript code! How to write comments in HTML...
We have an account balance of500, and want to buy a pair of jeans for40. Using the less than or equal to operator, we can check if the price of jeans is less than or equal to the amount of funds we have. Sincejeans <= balanceevaluates totrue, the condition will pass and the blo...
describe('all',function(){//check return typeit('should be an array of strings',function(){ expect(starWars.all).to.satisfy(isArrayOfString);functionisArrayOfString(array){returnarray.every(function(item){returntypeofitem === 'string'; }); } });//ccheck one of the valueit('should i...
People mostly write every statement on their own row and end them with a semicolon. It's not required but gets very readable. Something to think about is that javascript actually ignores whitespace except around some reserved words like function, while, var etc, at newlines and in strings. ...
Many Internet Web sites contain JavaScript, a scripting programming language that runs on the web browser to make specific features on the web page functional. If JavaScript has been disabled within your browser, the content or the functionality of the web page can be limited or unavailable. ...
write(d); function Date() { return 'This is the overriden function.'; } alert(Date()); Try to Overload a Function in JavaScript JavaScript does not allow overloading a function. Instead, it will override the function. We will create two functions named sum to add different numbers of...
Have you ever come across a requirement to find a particular object in a given array of objects? In this post, we will explore various ways to find a particular object in a JavaScript array. Let us assume that we have an array as shown in the listing below and we need to...
Click "I'll be careful, I promise" if a warning message appears. In the search box, search for javascript.enabled Toggle the "javascript.enabled" preference (right-click and select "Toggle" or double-click the preference) to change the value from "false" to "true". ...
I am sharing a simple example here that explains how easily you can save your form data in a text file or in a .txt file using JavaScript.