javascript - stopping a recursive function call onclick button1 from a different function onclick button2 -


i'm trying determine how stop recursive function call came click 'start_button' calling different function when 'stop_button' clicked.

  • user clicks 'start_button' , slide down/up animation continues loop "infinitely" until...
  • user clicks 'stop_button' , looped animations stop.

i'd keep 2 different buttons instead of having 1 dual-purpose start/stop button. code below, animation starts , loops, not stop when clicking stop button. i'd stop button stop animation when clicked.

http://jsfiddle.net/zdtmz/

var stopsliding = false;  $('#stop_button').click(function(){         stopsliding = true; });  $('#start_button').click(function infiniteloop(){     if (stopsliding == true)     {         $('#top_message').stop();         return;     }            else     {         $('#top_message').hide().slidedown(2000);         $('#top_message').slideup(2000);             infiniteloop();         return;     } });

you calling infiniteloop synchronously, means impossible other javascript execute, click handler stop button. need make call asynchronous click handler can execute. use settimeout(infiniteloop, 0); this, still won't behaviour want, because still aren't waiting slider slide before calling infiniteloop. instead should pass infiniteloop callback slideup. make asynchronous , make wait animation complete:

$('#top_message').slideup(2000, infiniteloop);

your updated jsfiddle.


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