Programming Tutorials

By: Tanya : 2023年04月26日

Description: In JavaScript, => is called an arrow function or a fat arrow function. It's a shorthand syntax for defining functions that was introduced in ECMAScript 6 (ES6).

By: Stella : 2023年04月25日

Description: In JavaScript, while and do-while are two types of loops that can be used to repeat a block of code multiple times.

By: Terrence : 2023年04月25日

Description: Template literals and string concatenation are two ways to combine strings in JavaScript.

By: Stella : 2023年04月25日

Description: The Boolean() function in JavaScript is used to convert a value into a boolean data type. The function takes a single parameter and returns true or false.

By: Stella : 2023年04月25日

Description: Symbol() is a built-in function in JavaScript that returns a unique symbol value. Symbols are a new primitive data type introduced in ECMAScript 6, which can be used as keys in objects, allowing for more efficient property lookup and avoiding naming collisions

By: Stella : 2023年04月25日

Description: In JavaScript, let, const, and var are used for declaring variables, but they have different scopes and behaviors. Here are the main differences:

By: Stella : 2023年04月25日

Description: In JavaScript, == and === are two comparison operators that are used to compare two values or variables.

By: Tanya : 2023年04月25日

Description: In JavaScript, there are several ways to loop through arrays and objects. Here's an overview of the for, for..of, and for..in loops:

By: Tanya : 2023年04月25日

Description: In JavaScript, a sparse array is an array in which not all elements are initialized with values. This means that there are gaps or missing indexes between the elements that actually have values.

By: Tanya : 2023年04月25日

Description: Here are the different ways you can pass arguments to a function in JavaScript, using the area function example: