These days it's not Sizzle, which is mostly support for non-qSA browsers and support for custom pseudo-selectors. jQuery's modern element selection is https://

These days it's not Sizzle, which is mostly support for non-qSA browsers and support for custom pseudo-selectors. jQuery's modern element selection is https://github.com/jquery/jquery/blob/master/src/selector-native.js https://github.com/jquery/jquery/blob/master/src/selector-na...