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accessibility-checker-engine

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An automated accessibility checking engine for use by other tools

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<!DOCTYPE html> <html lang="en-US"> <head> <title>marquee_elem_avoid - Accessibility Checker Help</title> <script> RULE_MESSAGES = {"en-US":{"Fail_1":"Scrolling content found that uses the obsolete <marquee> element","group":"The <marquee> element is obsolete and should not be used"}}; RULE_ID = "marquee_elem_avoid" </script> <!-- /****************************************************************************** Copyright:: 2022- IBM, Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. *****************************************************************************/ --> <!-- Title and messages generated at build time --> <link rel="icon" href="https://ibm.com/able/favicon-32x32.png" type="image/png"> <link rel="icon" href="https://ibm.com/able/favicon.svg" type="image/svg+xml"> <link rel="stylesheet" href="../common/help.css" /> <script type="module"> import "https://1.www.s81c.com/common/carbon/web-components/version/v1.35.0/code-snippet.min.js"; import "https://1.www.s81c.com/common/carbon/web-components/version/v1.35.0/list.min.js"; </script> <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script> <script src="../common/help.js"></script> </head> <body> <div class="bx--grid toolHelp"> <div class="bx--row"> <div class="bx--col-sm-4 bx--col-md-8 bx--col-lg-16 toolHead"> <!-- Group message injected here --> <h3 id="ruleMessage"></h3> <!-- Severity level injected here --> <div id="locLevel"></div> <!-- Rule specific message injected here --> <p id="groupLabel"></p> </div> </div> <div class="bx--row"> <div class="bx--col-sm-4 bx--col-md-5 bx--col-lg-8 toolMain"> <!-- Start main panel --> <mark-down><script type="text/plain"> ### Why is this important? Content that moves or auto-updates can be a barrier and a severe distraction to anyone who has trouble reading stationary text quickly, as well as anyone who has trouble tracking moving objects. The `<marquee>` element is obsolete and must not be used. <!-- This is where the code snippet is injected --> <div id="locSnippet"></div> ### What to do * If it isn't necessary, don't use this effect * **Or**, use other options, such as CSS or scripting, to create the same effect, and include an option to turn off the scrolling </script></mark-down> <!-- End main panel --> <!-- This is where the rule id is injected --> <div id="ruleInfo"></div> </div> <div class="bx--col-sm-4 bx--col-md-3 bx--col-lg-4 toolSide"> <!-- Start side panel --> <mark-down><script type="text/plain"> ### About this requirement * [IBM 2.2.2 Pause, Stop, Hide](https://www.ibm.com/able/requirements/requirements/#2_2_2) * [HTML - Obsolete features](https://html.spec.whatwg.org/multipage/obsolete.html#obsolete) ### Who does this affect? * People with attention deficit disorders * People with reading disabilities * People with intellectual disabilities * People with low vision </script></mark-down> <!-- End side panel --> </div> </div> </div> </body> </html>