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For example, if rolling the mouse over a 'Buy now' link is meant to make the price, elsewhere on the page, become emphasized, JavaScript code can do this, but JavaScript needs to identify the price element, wherever it is in the markup.
Form, link and image elements could be referenced with a hierarchical name that began with the root document object. A hierarchical name could make use of either the names or the sequential index of the traversed elements. For example, a form input element could be accessed as either document.myForm.myInput or document.forms[0].elements[0].
The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .
The letter "J" in the term AJAX originally indicated the use of JavaScript, as well as XML. With the rise of server side JavaScript processing, for example, Node.js, originally developed in 2009, JavaScript is also used to dynamically create pages on the server that are sent fully formed to clients.
<element attribute= "value" > element content </element> Where element names the HTML element type, and attribute is the name of the attribute, set to the provided value . The value may be enclosed in single or double quotes, although values consisting of certain characters can be left unquoted in HTML (but not XHTML).
This template is used to position text or elements to the rightmost/leftmost of a page/area, without changing the alignment or formatting of other text and elements nearby. Whatever you float with this template will cover up anything underneath it. Text will wrap underneath this template, not around it. For aligning text in general, see {}.
This is used, for example, when moving an object to a new location on a layout canvas. Yes Yes panrequest Initiated when the user agent sends a pan request to the web application with accompanying x/y delta values. This is used, for example, when changing the center point while panning a map or another custom image viewer. Yes Yes rotationrequest
All optional and applicable to {} / {{Start col-float}} and {{Col-float-break}} / {{Break col-float}} except firstcol: firstcol (with Col-float or Start col-float only) nextcol width Width of the next – or, with Col-float/Start col-float, the first – column. IE-based browsers require a specified width, so defaults to 30.0em. class