javascript - explain strange jquery selector -



javascript - explain strange jquery selector -

i exercising @ http://jqexercise.droppages.com/#page_0016_ , after completing exercise "change h2 h3" checked out reply pressing "give up?" , saw this:

var target = $('#target'); target.html(target.html().replace(/h2/g,'h3'));

does has clue how .replace(/h2/g,'h3') "selector" works?

i did not find .replace() , maybe deprecated. when found .replacewith() did not find references selector looks reg ex escape character.

if can explain or point read grade full.

actually if right /h2/ regex expression. between // taken , replaced string after comma. g flag apply matching globally.

you can read on mdn

javascript jquery

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