在使用D3.js（IE，safari和chrome）创建SVG后如何保存/导出SVG文件？

I currently have a website using D3 and I'd like the user to have the option to save the SVG as an SVG file. I'm using crowbar.js to do this, but it only works on chrome. Nothing happens of safari and IE gives an access denied on the I currently have a website using D3 and I'd lik