gulp-uglify插件用来压缩JavaScript代码的，以减少文件大小，从而加快网络传输。

gulp-uglify在GitHub上的网址：https://github.com/terinjokes/gulp-uglify

gulp-uglify在npm registry上的网址：https://www.npmjs.com/package/gulp-uglify

const gulp   = require('gulp');
const uglify = require('gulp-uglify');

gulp.task("default", function () {
    gulp.src('./src/public/js/**/*.js')
        .pipe(uglify({mangle: true}))
        .pipe(gulp.dest('./build/public/js/'));
});