Function.prototype.bind() vs Function.prototype.toString()
Function.prototype.bind() and Function.prototype.toString() are both JavaScript Function APIs, and choosing between them is a common point of confusion. This page compares their syntax, parameters, return values, and typical use cases so you can pick the right one. Function.prototype.bind(): Creates a new function with a bound this. Its syntax is func.bind(thisArg, ...args). Function.prototype.toString(): Returns the source code of the function. Its syntax is func.toString(). Example of Function.prototype.bind(): const bound = greet.bind(obj, "Hello"). Example of Function.prototype.toString(): (function(){}).toString() // "function(){}". Read the full references for Function.prototype.bind() and Function.prototype.toString() to see edge cases, time complexity, browser support, and the mistakes developers most often make with each. Other Function APIs worth comparing: Function.prototype.call(), Function.prototype.apply(), Function.length, Function.name, Function.prototype[Symbol.hasInstance](), Function.prototype.constructor. Both belong to the Function category in the JS Reference documentation, which covers 8 entries in total. Try both in the JavaScript playground to see the behavioral difference live.