Angular.bind will bind to a function which call another function and arguments will also passed from addData, In this example, there are two value one is 5 and another is first time 30 and later it take value form text box which is bind to scope variable num. See the code snippet:
In this example,
angular.bind call function multiply and pass the two value for 5 and 10 and return the output of multiply function. See the code snippet:
angular.bind call the function isEqual and value of parameters a and b will passed from textbox.
isEqual function return result according to condition. See code snippet: