2022年7月5日
30秒学会 JavaScript 片段 – Understanding the spread and rest syntax in Javascript
Spread syntax The spread operator (…) allows you to expand a single array into its values. Some co...
JavaScript
2022年7月3日
30秒学会 JavaScript 片段 – How can I check if a number is even or odd using JavaScript?
Using the modulo operator The modulo operator (%) returns the remainder of a division operation. Giv...
2022年7月1日
30秒学会 JavaScript 片段 – Typechecking objects with Proxy in JavaScript
A while back, I was working on a project where some objects had rigid structure requirements. As I w...
2022年7月1日
30秒学会 JavaScript 片段 – Unescape HTML
Unescapes escaped HTML characters. Use String.prototype.replace() with a regexp that matches the cha...
2022年6月29日
30秒学会 JavaScript 片段 – JavaScript Data Structures – Doubly Linked List
Definition A doubly linked list is a linear data structure that represents a collection of elements,...
2022年6月29日
30秒学会 JavaScript 片段 – Minimize DOM access in JavaScript
DOM operations, including accessing the DOM, are generally slow. This is usually not a problem until...
2022年6月20日
30秒学会 JavaScript 片段 – Partial sum array
Creates an array of partial sums. Use Array.prototype.reduce(), initialized with an empty array accu...
2022年6月19日
30秒学会 JavaScript 片段 – Find the head and tail of an array in JavaScript
A common operation in any programming language is finding the head and tail of an array. Simply put,...
2022年6月16日
30秒学会 JavaScript 片段 – Map an object to an array
Maps an object to an object array, using the provided mapping function. Use Object.entries() to get ...
2022年6月15日
30秒学会 JavaScript 片段 – Are JavaScript closures inherently evil?
JavaScript closures are used frequently, yet often misunderstood. Understanding them in depth is cru...