Home >Web Front-end >JS Tutorial >Solution to the problem that getAsDataURL cannot preview local images under Firefox 7.0_javascript skills
Using the example uploaded by uchome, take the original code: return obj.files.item(0).getAsDataURL();
After upgrading to Firefox7.0, you need to change to: return window.URL.createObjectURL(obj.files[0]);
In fact, Firefox7.0 has abandoned the item attribute.