g11-m2/FromJavaScriptTojQuery-master/04-jQuery-TraversingMtDOM/08-other_traversing_methods_challenge_2/js/script.js

//will wait until page ready
$(document).ready(function() {
    /*when table header is clicked , removes selection class from all other table rows and
      adds the selection class to this table headers row only*/
    $("th").click(function(){
     	$("tr").children().removeClass("selection");
        $(this).siblings().addClass("selection");
    });
});