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find() and attr() in prototypejs

What are equivalent of jQuery function find() and attr() in prototypejs?

Could someone help me to convert this code using prototypejs?

var className = $(this).find('.myBtn').attr('class');
$(this).find('.tab').attr('class', className + ' current');

Thanks in advance!

Solution

  • You can use .down() to find a descendant and readAttribute()/writeAttribute() to read/modify attributes.

    Or you could simply stay with jQuery. ;)