Array.prototype.map is used to loop over array & return new array. You can use this map to manipulate your array & get the changed array.…
Website or WebApp Optimisation should be the aim for all frontend developers. Frontend developers are the main reason if any website is showing bad performance…
CORS stands for “Cross-origin resource sharing” which is the security policy set by the browsers to block different domain request unless the origin is whitelisted…
In JavaScript everything is derived from something. Suppose if you are creating an object a:{name:”john”} then this “a” object is derived from “Object” prototype. It…