What is the difference between an alert box and a confirmation box?

Correct Answer: var checkedP = windowdocumentgetElementById("myCheckBox")checked;

Correct Answer: Use the "value" property var myValue = windowdocumentgetElementById("MyTextBox")value;

Correct Answer: Nojava and javascript are two different languages Java is a powerful object - oriented programming language like C++,C whereas Javascript is a client-side scripting language with some limitations

Correct Answer: Generation of HTML pages on-the-fly without accessing the Web server The user can be given control over the browser like User input validation Simple computations can be performed on the client's machine The user's browser, OS, screen size, etc can be detected Date and Time Handling

Correct Answer: This depends on the user's browser and OS In the case of Netscape with Windows OS,all the cookies are stored in a single file called cookiestxt c:\Program Files\Netscape\Users\username\cookiestxt In the case of IE,each cookie is stored in a separate file namely username@websitetxt c:\Windows\Cookies\username@Websitetxt

Correct Answer: var obj = new Object(); or var obj = {};

Correct Answer: No JavaScript does not have block level scope, all the variables declared inside a function possess the same level of scope unlike c,c++,java

Correct Answer: jQuery is a quick as well as concise JavaScript Library that simplifies HTML document traversing, animating, event handling, & Ajax interactions for the purpose of quick web development needs So although they are not entirely different, both are not the same either!

Correct Answer: Timers allow you to execute code at a set time or repeatedly using an interval This is accomplished with the setTimeout, setInterval, and clearInterval functions The setTimeout(function, delay) function initiates a timer that calls a specific function after the delay; it returns an id value that can be used to access it later The setInterval(function, delay) function is similar to the setTimeout function except that it executes repeatedly on the delay and only stops when cancelled The clearInterval(id) function is used to stop a timer Timers can be tricky to use since they operate within a single thread, thus events queue up waiting to execute

Correct Answer: Using global variables in Javascript is evil and a bad practice That being said, namespacing is used to bundle up all your functionality using a unique name In JavaScript, a namespace is really just an object that you?ve attached all further methods, properties and objects It promotes modularity and code reuse in the application