An example front page from the WSJ Weekend Edition â Worth a Subscription Discount! This new approach to editorial has been evident ever since Rupert Murdochâs purchase of the Wall Street Journal occurred in 2007.
You use variables as symbolic names for values in your application. The names of variables, called identifiers, conform to certain rules. A JavaScript identifier must start with a letter, underscore (_), or dollar sign ($); subsequent characters can also be digits (0-9).
The first part of the code is using jquery to call upon the document, in preparation of doing something to it. .ready(). This is telling the browser to execute the javascript code in the brackets after the word ready (Which is an unnamed function in our example) when the document is ready. function(){. javascript code goes here. )}; You will probably recognize the above, it's just a simple function without a name.