bind method of javascript

Question

what is the use of bind() in javascript??

Answer 1

binding is generally used to refer to attaching a function to an event (it could, but is unlikely to, mean linking a data presentation object to a data source)

Common example

when the mouse is moved over an element you want to run function "dosomething". People would refer to this as binding the dosomething function to the element's mousemove event

the concept of (event) binding is implemented in a number of javascript frameworks such as jQuery or Prototype

So the meaning will vary depending on the context of the code you are looking at.

Answer 2

Dojo has a library, IO.bind where you can do magic using the bind(); method to attach HTML elements with certain level of data binding.

http://dojotoolkit.org | demo's will guide you with more detailed idea.