Draw image from <img> tag
<!DOCTYPE HTML> <html lang = "en"> <head> <style type = "text/css"> .hidden{//from w w w .j ava 2 s . c o m display: none; } </style> <script type = "text/javascript"> function draw(){ let drawing = document.getElementById("drawing"); let con = drawing.getContext("2d"); let myPicture = document.getElementById("myPicture"); con.drawImage(myPicture, 60, 70, 90, 90, 0, 0, 150, 150); } </script> </head> <body onload = "draw()"> <h1>Image in canvas</h1> <img class = "hidden" id = "myPicture" src = "http://java2s.com/style/download.png" alt = "jet picture" /> <canvas id = "drawing" height = "400" width = "400"> <p>Canvas not supported</p> </canvas> </body> </html>