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XHTML5 is a common set of XHTML and HTML5, it should be declared with XHTML namespace (xmlns="http://www.w3.org/1999/xhtml"), served with XHTML mime type ("application/xhtml+xml") or opened with ".xhtml" filename extension.
HTML changes to ensure XHTML5 compliance:
modify HTML boolean attributes, e.g. replace selected with selected="selected" or selected=""
add self-closing slash for void elements. e.g. replace <br> with <br/>
JavaScript changes to avoid potential bugs:
Check element.tagName, element.nodeName with caution since they may be in uppercase for HTML5 but in lowercase for XHTML5
Tell XHTML5 mode by checking document.contentType === 'application/xhtml+xml'
To debug and locate syntax error reason when setting element.innerHTML, use try...catch and log the html to-be-set
Known locations to be changed:
eruda/src/Info/defInfo.js:51
replace }&exclude=true"></a> with }&exclude=true" /></a>
luna/src/setting/index.ts:449
insert .join('') for map() return value
luna/src/setting/index.ts:596
replace ' selected' with ' selected="selected"'
luna/src/setting/index.ts
optionally, replace all ></input> with />
XHTML5 Compliance Test page
test.xhtml
<!DOCTYPE html><htmlxmlns="http://www.w3.org/1999/xhtml" lang="en"><head><title>XHTML5 Compliance Test</title></head><body><pid="message">This is an XHTML5 document</p><script>document.querySelector('#message').textContent+=' served with MIME '+document.contentType;// if (navigator.userAgent.includes('Mobile') || !('onmousedown' in window)){letscript=Object.assign(document.createElement('script'),{onload: ()=>{/* global eruda */eruda.init({container: document.body.appendChild(document.createElement('div')),tool: ['console','info']});console.log('initialized eruda');},async: false,src: '../dist/eruda.js'});document.body.append(script);}</script></body></html>
The text was updated successfully, but these errors were encountered:
XHTML5 is a common set of XHTML and HTML5, it should be declared with XHTML namespace (xmlns="http://www.w3.org/1999/xhtml"), served with XHTML mime type ("application/xhtml+xml") or opened with ".xhtml" filename extension.
HTML changes to ensure XHTML5 compliance:
selectedwithselected="selected"orselected=""&in attribute value as&, avoid use of HTML-specific named entities like ©<br>with<br/>JavaScript changes to avoid potential bugs:
element.tagName,element.nodeNamewith caution since they may be in uppercase for HTML5 but in lowercase for XHTML5document.contentType === 'application/xhtml+xml'element.innerHTML, use try...catch and log the html to-be-setKnown locations to be changed:
replace
}&exclude=true"></a>with}&exclude=true" /></a>insert
.join('')for map() return valuereplace
' selected'with' selected="selected"'optionally, replace all
></input>with/>XHTML5 Compliance Test page
test.xhtml
The text was updated successfully, but these errors were encountered: