Install as command-line tool

npm install -g esdiff

Usage: esdiff comparison file1.js file2.js

    @param comparison: --chars | --words | --lines | --css

    Example: esdiff --chars file1.js file2.js

Example

esdiff --words samples/test1_a.js samples/test1_b.js

Comparing: samples/test1_a.js, samples/test1_b.js
--------------------------------------------------------------------------------
    function x() {
        alert('�[7m�[32mbye�[39m�[27m�[7m�[31mhi�[39m�[27m');
    }
--------------------------------------------------------------------------------