sw7x

thnks got it

there is a div id =certificate and inside that div there is a image ,image height < div heightpicture below shown theseactual sizes of div,imagefor responsive design when browser resize image size need to vary.when browser width reducing image need to be small without changing its aspect ratio . i mean it has to be like picture belowfor that i used for image width 100% now image is responsive but it has a another effect on image width it is image take all the width of certificate div.it leads to change aspect ratio of the image.its shown belowfor responsive design i need a way to keep aspec

Then what is the correct JavaScript Object Hierarchy ?

http://www.comptechdoc.org/independent/web/cgi/javamanual/javaobjheir.htmlaccording to the web page give above JavaScript Dom object navigator have mime type object plugin object window object but in your site in this pagehttp://www.w3schools.com/jsref/obj_navigator.asp there is no those objects under navigator object.i want know is it mistake ormy referenced above web page(http://www.comptechdoc.org/independent/web/cgi/javamanual/javaobjheir.html) is wrong