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// Usage: $(element).scrollToTop([position])
;(function($){
// only allow one scroll to top operation to be in progress at a time,
// which is probably what you want
var scrollToTopInProgress = false
$.fn.scrollToTop = function(position){
var $this = this,
targetY = position || 0,
// gulpやプラグインをインポート
var gulp = require('gulp')
, compass = require('gulp-compass')
, concat = require('gulp-concat')
, uglify = require('gulp-uglify')
, minifyCSS = require('gulp-minify-css')
, path = require('path')
;
//JSファイルをjsフォルダにコピー

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

// Usage: $(element).scrollToTop([position])
;(function($){
// only allow one scroll to top operation to be in progress at a time,
// which is probably what you want
var scrollToTopInProgress = false
$.fn.scrollToTop = function(position){
var $this = this,
targetY = position || 0,