Is it possible to have multiple ids?

[esquire]

Is it possible multiple id ? Can I use it like this ?\[code\]$("#example" + " #example2")\[/code\]Html \[code\]<section id="example example2"></section>\[/code\]or\[code\]var firstLink = $("li:first-child > a");var firstLoadedHtml = firstLink.attr("href");$(firstLoadedHtml + " #example")\[/code\]Html\[code\]<li><a href="http://stackoverflow.com/questions/12741752/example">Example</a></li><section id="example example2"></section>\[/code\]