javascript - combining jquery click functions -


i quite new jquery , wondering if recommend ways combine these functions code more efficient , slimmed down. have 2 click functions exact same thing targeting 2 different buttons. thank you.

        $( ".step1 button" ).click(function() {                  if ($(".step1 input").is(":checked")) {                  $( ".step1").slideup("slow",function(){                     $(".step2").slidedown("slow");                 });             } // end if             else{                 $("div.error").remove();                 $(".step1.step-heading").append("<div class='error'><i class='fa fa-exclamation-triangle'></i> please make selection before continuing</div>");             } // end else                  })// end click function          $( ".step2 button" ).click(function() {                  if ($(".step2 input").is(":checked")) {                  $( ".step2").slideup("slow",function(){                     $(".step3").slidedown("slow");                 });             } // end if             else{                 $("div.error").remove();                 $(".step2.step-heading").append("<div class='error'><i class='fa fa-exclamation-triangle'></i> please make selection before continuing</div>");             } // end else                  })// end click function

you can access dom element tha trigger event using $(this) inside vent handler.

so, have attach same handler several elements, , use $(this) inside implementation of handler.

$(".step1 button").add(".step2 button").click(function() {     // $(this) refered button tha triggered event }

to make easier find step number can use custom "data-" attribute, example this:

<button data-step-no="1">

you can attribute using $(this).attr('data-step-no'), in fact, add or substract, need parse this: var stepno = parseint($(this).attr('data-step-no').

to select buttons wit single selector can use buttons this:

<button data-step-no="1" class="step"> <button data-step-no="2" class="step">

ans select them in single step:

$('button .step').click(...

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