Language/JavaScript
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[JavaScript_codecademy] VARIABLESLanguage/JavaScript 2022. 9. 1. 19:09
Review Nice work! This lesson introduced you to variables, a powerful concept you will use in all your future programming endeavors. Let’s review what we learned: Variables hold reusable data in a program and associate it with a name. Variables are stored in memory. The var keyword is used in pre-ES6 versions of JS. let is the preferred way to declare a variable when it can be reassigned, and co..
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[JavaScript_codecademy] INTRODUCTION TO JAVASCRIPTLanguage/JavaScript 2022. 9. 1. 17:43
Review Let’s take one more glance at the concepts we just learned: Data is printed, or logged, to the console, a panel that displays messages, with console.log(). We can write single-line comments with // and multi-line comments between /* and */. There are 7 fundamental data types in JavaScript: strings, numbers, booleans, null, undefined, symbol, and object. Numbers are any number without quot..