Element: ariaColSpan ããããã£
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ariaColSpan 㯠Element ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ããããã£ã§ãaria-colspan 屿§ã®å¤ãåæ ãã表ãã°ãªãããããªã¼ã°ãªããã®ä¸ã«ããã»ã«ãã°ãªããã»ã«ãã¾ãããåã®æ°ãå®ç¾©ãã¾ãã
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ãã®ä¾ã§ã¯ãspanning-heading ã¨ãã ID ãæã¤è¦ç´ ã® aria-colspan 屿§ã¯ "2" ã«è¨å®ããã¦ãã¾ããariaColSpan ã使ç¨ãã¦ãå¤ã "3" ã«æ´æ°ãã¾ãã
html
<table>
<tr>
<th>Heading 1</th>
<th>Heading 2</th>
<th>Heading 3</td>
</tr>
<tr>
<td colspan="2" aria-colspan="2" id="spanning-column">Spanning</td>
<td>One</td>
</tr>
</table>
js
let el = document.getElementById("spanning-column");
console.log(el.ariaColSpan);
el.ariaColSpan = "3";
console.log(el.ariaColSpan);
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