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The jQuery function is a factory for creating a jQuery object that represents one or more DOM nodes. jQuery objects have methods to manipulate these nodes. These methods (sometimes called commands) , are chainable as each method also returns a jQuery object.
The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.
The code generated by RJS was usually loaded using Ajax, e.g. by using Ajax-enabled helper methods Ruby on Rails provides, such as the link_to_remote helper. It was replaced by jQuery as of Rails 3.1 [8] Many of the Ruby on Rails Ajax-enabled helper methods used to work by using Prototype to perform an Ajax request in older versions of Rails.
Load the necessary resources, including required jQuery The HTML code with template attribute marking for-each subtemplate and z-var replacement instructions. Load JSON data from presidents.json and apply data to the HTML template with id attribute "target".
In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. foreach is usually used in place of a standard for loop statement.
To add a new template, simply create a new citeTemplate object. Each template has 4 required parameters. The template name (e.g. "cite web") A short name for the template, used for the template list in the script (this name should be a unique name for each template object, even if 2 template objects are based on the same template)
Method chaining eliminates an extra variable for each intermediate step. The developer is saved from the cognitive burden of naming the variable and keeping the variable in mind. Method chaining has been referred to as producing a "train wreck" due to the increase in the number of methods that come one after another in the same line that occurs ...
Accordion widget. The accordion is a graphical control element comprising a vertically stacked list of items, such as labels or thumbnails.Each item can be "expanded" or "collapsed" to reveal the content associated with that item.