Type coercion and type checking Type coercion and type checking are basic fundamental programming concepts in JavaScript programming. Type coercion and type checking are mainly used in JavaScript programming to deal with multiple programming data and information so that you can convert and control multiple data type program variables by declaring them in JavaScript program.…
Complex types: Objects and Arrays In JavaScript programming, object and array data types are treated as complex data types or non-primitive data types because arrays and objects in JavaScript can store and process data and information in multiple program variable values or more complex structures. Object and array data types are the exact opposite of…
Primitive types: String, Number, Boolean, Null, Undefined, Symbol, BigInt In JavaScript programming, primitive data types indicate the most basic or fundamental JavaScript data types that are not modifiable in the JavaScript program, which cannot be changed directly. These are the default JavaScript program simple data type format, and these are not any array or object…
Using the browser console to test code In JavaScript programming, using the web browser console is the best method for testing JavaScript program source code for immediate testing and directly interacting or communicating with dynamic website webpages in real time. Where you can execute small modules of JavaScript program, preview the immediate program result, and…
Case sensitivity, semicolons, and white space In JavaScript programming, variable case sensitivity, program syntax semicolon, and white space play an important role in the proper interpretation and execution of JavaScript program source code. While case sensitivity treats program variables differently in uppercase and lowercase, the semicolon operator properly terminates JavaScript program important line row syntax,…
Keywords, statements, and comments In JavaScript programming, keywords, statements, and comments play an important role in defining or structuring the JavaScript program source code in multiple orders and developing the program from construct to output. Where keywords, statements, and comments perform individual functions or tasks at different times in the JavaScript program source code. So,…
Understanding console.log() console.log() is a built-in JavaScript program function to display JavaScript program output, here console.log() function is used to display the output of JavaScript program in the console screen of the web browser. Where console.log() function is mostly used to display the existing program data and information during JavaScript program debugging or program development…
Writing "Hello, World!" in JavaScript To print the message "Hello, World!" in JavaScript programming, you get two default options, where JavaScript programmers can apply console.log() function to print the output in the web browser console, or can also use alert() function to display it in a pop-up window as per the requirement. Here are the…
Using the browser console for running JavaScript Running JavaScript program in web browser console window is helpful to communicate directly with website webpages and manually manipulate custom updates in existing webpage website elements. How to Run JavaScript in Web Browser. So, let’s know the steps to run JavaScript program in web browser console. First of…
Installing a code editor VS Code, Sublime Text, etc. When you need to install a JavaScript programming code editor on your computer, you currently have many existing graphical code editor options available. These include Microsoft Visual Studio Code (VS Code), Sublime Text Code Editor, Atom Code Editor, Notepad++, Eclipse, and NetBeans, etc. Here are detailed…
