javascript - Set style for only the first element using JQuery -


ok have set styles of section locked using :

$("section").attr("class", "xxx locked");

but want first section in page have different style :

$("section").first().attr("class", "xxx");

but doesn't work...

this first element generated dynamically document.getbyid(smtgn).value won't work

use :first selector.. 

$("section:first").attr("class", "xxx");

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