vimeo iframe in edge doesn't work in dreamweaver

i put an iframe embed video from vimeo in edge animate /compositionready

var vimeo = $("<iframe/>");

sym.$("vimeo").append(vimeo);

vimeo.attr('type','text/html');

vimeo.attr('width','500');

vimeo.attr('height','281');

vimeo.attr('src','videourl'); 

vimeo.attr('frameborder','0');      

vimeo.attr('allowfullscreen','0');  

but when I import this in dreamweaver and I make a preview in safari or crhome the video is not visible.. somebody knows why?