I'm new to ajax and callback functions, please forgive me if i get the concepts all wrong.  Problem: Could i send a callbackfunction as a parameter to another function that will execute the callback?  function firstFunction(){     //some code...

I want to house a variable in a function This variable will change state depending on user interaction  function plan_state(current){     if (current != ''){      state = current;     }     else {      return state;     } }   when the doc loa...

I'm trying to write a simple log viewer using Qt4's WebKit port/implementation. My HTML code looks like this:  http://pastie.org/613296  More specifically, I'm trying to find out how to call the add_message() function which is defined in...

I have been testing some code lately trying to understand javascript a little bit better. Then I came across the call() function wich I can't get to understand well.  I have the following code:  function hi(){     console.log("hi"); }  va...

I'm working in my .js file.  When my function, mainPaginationClicked is called, I want it to also execute another function, rotateMessage.  rotateMessage is declared in the script tags of my html document.  Is there a way to call this function fr...

I know it works, but I don't know why and how. What are the mechanics?  // Parent constructor function Parent(name){   this.name = name || "The name property is empty"; }  // Child constructor function Child(name){   this.name = name; }...

I'm trying to use the Rhino lib to call some javascript from java code. But it seems that it is choking on a typed array. Here is my simple js file  function decrypt(version, iv, encryptedBuffer) {     var output8;     output8 = new Uint8Array(en...

Hi everyone I am trying to calla wcf service from a javascript function for some reason asp.net is not recognizing the namespace and give me an error on runtime, any help will be greatly appreciated following is code:  Default aspx page  <form id=...

I'm trying to figure out how to call a javascript function only when a checkbox is NOT checked.  here is my checkbox:  <input type="checkbox" id="icd" name="icd" value="icd" />   here is the name of the funct...

These codes are run on chrome devtool.  It seems like b.call(same as a.call.call) is calling the first argument, which is a function, then pass the second argument as this. If the first argument is not a function, then throw not a function error....