web ++
- http://shouldiuseacarousel.com/
- https://github.com/lukehoban/es6features
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
- http://ariya.ofilabs.com/2013/01/es6-and-array-comprehension.html
- http://stackoverflow.com/questions/281264/remove-empty-elements-from-an-array-in-javascript
- http://stackoverflow.com/questions/9932957/javascript-remove-character-from-a-string
- http://stackoverflow.com/questions/9932957/javascript-remove-character-from-a-string
- http://www.w3schools.com/js/js_object_prototypes.asp
- http://jsperf.com/get-last-item-from-array/13
- http://www.w3schools.com/js/js_regexp.asp
- http://www.w3schools.com/jsref/jsref_obj_string.asp
- http://www.w3schools.com/jsref/jsref_lastindexof_array.asp
- http://www.w3schools.com/jsref/dom_obj_all.asp
- http://www.w3schools.com/jsref/jsref_obj_array.asp
- http://www.w3schools.com/jsref/jsref_obj_string.asp
- http://www.w3schools.com/jsref/dom_obj_all.asp
- https://developer.mozilla.org/en-US/docs/Web/API/Document/importNode
- http://www.w3schools.com/jsref/prop_html_classname.asp
- http://stackoverflow.com/questions/1115310/javascript-how-to-add-div-class-to-createelement
- http://www.w3schools.com/jsref/met_document_getelementsbytagname.asp
- http://www.w3schools.com/jsref/met_doc_getelementsbyname.asp
- http://www.w3schools.com/jsref/prop_doc_body.asp
- http://www.w3schools.com/jsref/dom_obj_document.asp
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export
- https://developer.mozilla.org/en-US/docs/Web/API/Document/body
- http://www.w3schools.com/js/js_objects.asp
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions
- http://www.w3schools.com/js/js_object_methods.asp
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Conditional_Operator
- http://www.w3schools.com/jsref/jsref_slice_string.asp
- http://www.w3schools.com/jsref/jsref_split.asp