JavaScript Try Catch: A Step-By-Step Guide

JavaScript try catch blocks are error handlers. The “try” block contains the code you want to test. “catch” contains code that will run if the code in your “try” block cannot execute successfully. When developers are testing their programs, it’s…

JavaScript Ternary Operators: A Step-By-Step Guide

The JavaScript ternary operator evaluates a statement and returns one of two values. A ternary operator can be instructed to return a value if the statement evaluates to either true or false. The syntax for the ternary operator is: statement…

JavaScript String Contains: Step-By-Step Guide

You can check if a JavaScript string contains a character or phrase using the includes() method, indexOf(), or a regular expression. includes() is the most common method for checking if a string contains a letter or series of letters, and…

Python Comment: A Step-By-Step Guide

A Python comment is a line of text in a program that is not executed by the interpreter. Comments are used during debugging to identify issues and to explain code. Comments start with a hash character (#). How to Comment…

Python Try Except: A Step-By-Step Guide

The Python try…except statement catches an exception. It is used to test code for an error which is written in the “try” statement. If an error is encountered, the contents of the “except” block are run. How to Use Try…

JavaScript Onclick: A Step-By-Step Guide

The JavaScript onclick event executes a function when a user clicks a button or another web element. This method is used both inline in an HTML document and in a JavaScript document. When you are coding in JavaScript, it’s common…

Python Reverse String: A Step-By-Step Guide

You can reverse a string in Python using slicing or the reversed() method. A recursive function that reads each character in a string and reverses the entire string is another common way to reverse a string. There is no function…

JavaScript Replace(): A Step-By-Step Guide

To replace text in a JavaScript string the replace() function is used. The replace() function takes two arguments, the substring to be replaced and the new string that will take its place. Regex(p) can also be used to replace text…

JavaScript Split: A Step-By-Step Guide

The JavaScript split() method divides a string into an array of substrings. These substrings are added to a new array. split() returns the new array of substrings. When you’re programming, it’s common to see cases where you need to get…

JavaScript Splice: How to Use It

The JavaScript splice() method modifies an array. It is used to add new elements to an array or remove or change existing ones. splice() changes the array on which it is used. It does not create a new array. It’s…

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