What is the equivalent of jQuery’s closest() function in prototypeJS? and html() function in

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Editorial Team

Asked: May 13, 20262026-05-13T19:23:03+00:00 2026-05-13T19:23:03+00:00

What is the equivalent of jQuery’s

closest() function in prototypeJS?

and html() function in prototypeJS?

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Editorial Team · Answer 1 · 2026-05-13T19:23:03+00:00

Editorial Team

I think the .html() function looks like this in prototype

To retrieve the html

$('fruits').innerHTML;
// -> '<ul id="favorite"><li>kiwi</li><li>banana</li><li>apple</li></ul>'

To change the html

$('fruits').update('kiwi, banana and apple');
// -> HTMLElement

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