gulp + browser-sync Cannot GET / error

Question

I am learning the front-end build system currently gulp, i want to use brower-sync and the problem is it is not throwing an error in the commad line but instead when it brings

Answer 1

gulp.task('server', function()
{
        browserSync.init(["public/src/css/","public/src/js"],{ 
            server: "./",
            startPath: "./index.html", // After it browser running
            //    browser: 'chrome',
            host: 'localhost',
            //       port: 4000,
            open: true,
            tunnel: true    }); 
});

gulp.task('default', ['scripts', 'styles', 'html', 'server', 'watch']);