JSXGraph--Dynamic Mathematics with JavaScript

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Gerhauser, Michael, Valentin, Bianca, Wassermann, Alfred
Format:	Recurso educativo Open Access
Language:	en
Published:	2010
Subjects:	Internet Geometry Mathematics Instruction Mathematics Education Web Browsers Information Technology Computer Software Computers Visualization
Online Access:	Acceder al recurso
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author	Gerhauser, Michael Valentin, Bianca Wassermann, Alfred
author_facet	Gerhauser, Michael Valentin, Bianca Wassermann, Alfred Gerhauser, Michael Valentin, Bianca Wassermann, Alfred
collection	Education Resources Information Center
contents	JSXGraph--Dynamic Mathematics with JavaScript Gerhauser, Michael Valentin, Bianca Wassermann, Alfred Internet Geometry Mathematics Instruction Mathematics Education Web Browsers Information Technology Computer Software Computers Visualization Since Java applets seem to be on the retreat in web application, other approaches for displaying interactive mathematics in the web browser are needed. One such alternative could be our open-source project JSXGraph. It is a cross-browser library for displaying interactive geometry, function plotting, graphs, and data visualization in a web browser. It is implemented completely in JavaScript and uses the vector graphics formats SVG and VML. No further plug-ins are required. (Contains 10 figures.)
format	Recurso educativo Open Access
id	eric_EJ913356
institution	ERIC Institute of Education Sciences
language	en
publishDate	2010
record_format	eric
spellingShingle	JSXGraph--Dynamic Mathematics with JavaScript Gerhauser, Michael Valentin, Bianca Wassermann, Alfred Internet Geometry Mathematics Instruction Mathematics Education Web Browsers Information Technology Computer Software Computers Visualization JSXGraph--Dynamic Mathematics with JavaScript Gerhauser, Michael Valentin, Bianca Wassermann, Alfred Internet Geometry Mathematics Instruction Mathematics Education Web Browsers Information Technology Computer Software Computers Visualization Since Java applets seem to be on the retreat in web application, other approaches for displaying interactive mathematics in the web browser are needed. One such alternative could be our open-source project JSXGraph. It is a cross-browser library for displaying interactive geometry, function plotting, graphs, and data visualization in a web browser. It is implemented completely in JavaScript and uses the vector graphics formats SVG and VML. No further plug-ins are required. (Contains 10 figures.)
title	JSXGraph--Dynamic Mathematics with JavaScript
topic	Internet Geometry Mathematics Instruction Mathematics Education Web Browsers Information Technology Computer Software Computers Visualization
url	https://eric.ed.gov/?id=EJ913356

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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