jQuery Callback Functions. If not, the string is interpreted as a selector expression, as explained above. public JsonResult GetPerson(int ID, string name) But if the string appears to be an HTML snippet, jQuery attempts to … If a function changes an argument's value, it does not change the parameter's original value. The function gets passed three arguments: The data returned from the server, formatted according to the dataType parameter or the dataFilter callback function, if specified; a string describing the status; and the jqXHR (in jQuery 1.4.x, XMLHttpRequest) object.

Different ways to declare a JavaScript/jQuery functions and which one you should use from get/set, $.fn, jQuery.fn, jQuery.prototype, jQuery.fn.extend etc. If a string is passed as the parameter to $(), jQuery examines the string to see if it looks like HTML (i.e., it starts with ). The parameters, in a function call, are the function's arguments. However, with effects, the next line of code can be run even though the effect is not finished.

jQuery AJAX Call with Multiple Parameters If we wanted to make a GET call with more than one parameter, that’s as easy as adding parameters to the method signature. JavaScript statements are executed line by line. JavaScript arguments are passed by value: The function only gets to know the values, not the argument's locations. As of jQuery 1.5, the success setting can accept an array of functions. Each function will be called in turn. Changes to arguments are not visible (reflected) outside the function.