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If you have detailed information about the image, for example the name of the species or the size of the object, please add it. If you create images to upload that need to show the size of a depicted object, images with a ruler are better than images with a coin or similar item, since not everyone has access to the same type of item.
Canvas was initially introduced by Apple for use in their own Mac OS X WebKit component in 2004, [1] powering applications like Dashboard widgets and the Safari browser. Later, in 2005, it was adopted in version 1.8 of Gecko browsers, [2] and Opera in 2006, [3] and standardized by the Web Hypertext Application Technology Working Group (WHATWG) on new proposed specifications for next generation ...
If this confuses you, don't worry; you don't need to understand the technical aspects to create or upload images. What this means in practice is that an SVG image scales to different sizes far better than an equivalent PNG. Therefore, for images that consist largely or entirely of polygons, lines, and curves (national flags, road signs, etc ...
To activate the Javascript, the wikipage must be loaded with a withJS= parameter. The Javascript code has been tested with the Firefox 10.0 browser so far. It makes some use of the jQuery library, which is commonly used in Wikipedia scripts. Data used during the input and upload process are stored in a Javascript object named window.fuw.
Rest parameters are similar to Javascript's arguments object, which is an array-like object that contains all of the parameters (named and unnamed) in the current function call. Unlike arguments , however, rest parameters are true Array objects, so methods such as .slice() and .sort() can be used on them directly.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. High-level programming language Not to be confused with Java (programming language), Javanese script, or ECMAScript. JavaScript Screenshot of JavaScript source code Paradigm Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented Designed by Brendan Eich of ...
Certain jQuery object methods retrieve specific values (instead of modifying a state). An example of this is the val() method, which returns the current value of a text input element. In these cases, a statement such as $('#user-email').val() cannot be used for chaining as the return value does not reference a jQuery object.
An example of this technique is demonstrated in the Multiple File Upload plugin for jQuery. In this manner, the multiple-file upload problem is solved by providing as many file-select controls as the user has files to upload. Still, this does not solve the problem of selecting multiple files for upload in Internet Explorer.