HTML5 Canvas blending & IE / Edge
问题 I'm working on a project that makes use of Canvas blending - of course, IE/Edge still don't support blending modes. Some simplified code (fiddle here) that shows the issue: <canvas id="below" width="100" height="100"></canvas> <canvas id="texture" width="100" height="100"></canvas> <canvas id="composite" width="100" height="100" style="z-index:1x solid green;"></canvas> var can = document.getElementById('below'); var below = can.getContext('2d'); below.fillStyle = "#FF0000"; below.fillRect(0