30秒学会 JavaScript 片段 – Weighted average
Calculates the weighted average of two or more numbers. Use Array.prototype.reduce() to create the w...
Calculates the weighted average of two or more numbers. Use Array.prototype.reduce() to create the w...
Produces an array of objects from an object and one of its array-valued properties. Use object destr...
for…in is used to iterate over all enumerable properties of an object, including inherited enumera...
Creates a zig zag background pattern. Use background-color to set a white background. Use background...
To determine if an object is an array, you can either use Array.isArray() or the instanceof operator...
Loads a module after removing it from the cache (if exists). Use delete to remove the module from th...
JavaScript’s built-in Boolean is one of those things I find myself suggesting in code reviews ...
The SHA-256 algorithm is a widely used hash function producing a 256-bit hash value. It is used in m...
Writes a JSON object to a file. Use fs.writeFileSync(), template literals and JSON.stringify() to wr...