javascript - How can I make a background image of a site start off fitting to screen and then zoomable? -

javascript - How can I make a background image of a site start off fitting to screen and then zoomable? -

i have big image 4096 x 4096. want create background image site , when site loads i'd total image displayed on screen size, want zoomable.

right i've made image have height , width 100% in css keeps @ 100% no matter what. thoughts on how accomplish this?

i think might looking using leaflet allow zoom in image.

this link here explains process of breaking image required tiles.

does help?

javascript html css image