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What does dollar Sign ($) means in JQuery?

Posted By :abhays     Posted Date :September 26, 2014    Points :40   Category :JQuery 
Dollar Sign is an alias for JQuery. Take a look at below JQuery code

$(document).ready(function(){

});

Over here $ sign can be replaced with "jQuery " keyword.

jQuery(document).ready(function(){


});

You can also find related Interview Question to What does dollar Sign ($) means in JQuery?  below: 

What does dollar Sign ($) means in JQuery?

  
Dollar Sign is nothing but it's an alias for JQuery. Take a look at below jQuery code

$(document).ready(function(){

});


Over here $ sign can be replaced with "jQuery " keyword.

jQuery(document).ready(function(){

}); (More...)

What does dollar Sign ($) means in JQuery?

  
Dollar Sign is an alias for JQuery.
$(document).ready(function(){

});

Here $ sign can be replaced with "jQuery " keyword.
jQuery(document).ready(function(){

});
(More...)

What does hash and dot sign means in JQuery?

  
both hash and dot used to identify the control available in the page.

hash # is used to identify the control by control id.

Dot . is used to get the control by its class name.

for eg

To use this control in JQuery we should use $('.dvclass')

To use this control in JQuery we should use $('#dvclass') (More...)

What does $ sign represent in JQuery?

  
$ Sign is used as an alias for JQuery.

For example:
$(document).ready(function(){});

Here $ sign can be replaced with "jQuery " keyword.
jQuery(document).ready(function(){}); (More...)

Is it possible to set SessionState to readonly mode? Readonly mode means, we can only read data from session but we can not write any data in session variable?

  
Yes, it is possible.
EnableSessionState property has a value "Readonly" which actually makes the session state read only.

Thanks. (More...)

What is JQuery?

  
JQuery is Java Script library or Java Script Framework which helps in how to traverse HTML documents, do some cool animations, and add Ajax interaction to any web page. It mainly helps programmer to reduce lines of code as huge code written in Java Script, can be done easily with JQuery in few lines. (More...)

How is body onload() function is different from document.ready() function used in jQuery?

  
Document.ready() function is different from body onload() function because off 2 reasons.

1. We can have more than one document.ready() function in a page where we can have only one onload function.
2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page. (More...)

What are the steps you need to follow to use jQuery in ASP.Net project?

  
It's really simple. One just need to add reference of javascript file(.js). Go to Jquery.com and download the latest version of jQuery. When download is completed, there is a "jQuery-1.3.2.js" in the folder. Include this file




and you good to go now for JQuery.

Note : 1.3.2 denotes the library version.. It can be vary depending upon the version of Jquery you download. (More...)

What is SIGN() ?

  
SIGN() is used to determine whether the specified is positive, negative or zero. In case of positive, negative and zero it returns +1,-1 and 0 consecutively.
print sign(0) -- prints 0
print sign(10) -- prints 1
print sign(-10) -- prints -1 (More...)

Java is "distributed" what does this means ?

  
Java is designed for the distributed environment of the internet, because it handles TCP/IP protocols. In fact accessing a resource using a URL is not much different from accessing a file.The original version of Java (Oak) included features for intraddress-spaces messaging.This allowed objects on two different computers to execute procedure remotely.Java has recently revived these interfaces in a package called ~Remote Method Invocation (RMI)~. This feature brings an unparalleled level of abstraction to client/server programming.

Thanks !!! (More...)

if dll and exe files are same it means you can deploy both the files in GAC?

  
No, deploying a exe file does not mean anything because classes and method are exposed in dll only and exe file is pure executable, any application can not call the function of exe file.
(More...)

There are 3 types of selectors in Jquery?

  
1. CSS Selector
2. XPath Selector
3. Custom Selector (More...)

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