Gulp task to manage JavaScriptr

gulpfile.js

gulp.task("js", function () {

  // jQuery
  gulp.src("bower_components/jquery/jquery.min.*")
      .pipe(gulp.dest("Scripts"));

  // Modernizr
  gulp.src("bower_components/modernizer/modernizr.js")
      .pipe(gulp.dest("Scripts"));

  // Respond
  gulp.src("bower_components/respond/respond.min.js")
      .pipe(gulp.dest("Scripts"));

  // MSAjaxBundle
  gulp.src("Scripts/WebForms/MSAjax/*.js")
      .pipe(concat("Scripts/MSAjax.min.js"))
      .pipe(uglify())
      .pipe(gulp.dest("."));

  // WebFormsBundle
  gulp.src("Scripts/WebForms/*.js")
      .pipe(concat("Scripts/WebForms.min.js"))
      .pipe(uglify())
      .pipe(gulp.dest("."));

});