id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,blocking,blockedby
6191,Assigining CSS property in animate() via external variable fails,riddle,,"var part = 'left'; // for testing purposes only
var margin_variable = 'margin-' + part;

// this works:
$element.stop().animate({
  'margin-left': '-100px',
  'opacity': '1.0'
}, 100);

// this won't work:      
$element.stop().animate({
  margin_variable: '-100px',
  'opacity': '1.0'
}, 100);",bug,closed,undecided,,effects,1.4.2,invalid,animate property,,,