即时创建数据 URI?

问题描述

Is there a script (javascript / client side). That create data URIs on the fly. Now i create data URIs with a online base64 creator. And then put that output in the css file. But when i changing the images. Its a lot of work to do it. Is there a script, that can do it for me.?

The modern browsers now have good support for base64 encoding and decoding. There are two functions respectively for decoding and encoding base64 strings:

• atob() decodes a string of base-64 data
• btoa() creates a base-64 encoded ASCII string from a "string" of binary data

This let's you create data uri's easily i.e

var longText = "Lorem ipsum....";
var dataUri = "data:text/plain;base64," + btoa(longText);
//a sample api expecting an uri
d3.csv(dataUri, function(parsed){

});

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