javascript underscore

These days have great God recommended to read underscore source code, take advantage of the project test blank time, looked at a bit.The whole underscore includes the common tool functions, the following 1.3.3 source code for example analysis.function (obj) { return _.isarray (obj)? obj.length: _.keys (obj). length; };The whole underscore source code is

needs and build a simpler framework.Experience, some class libraries are essential: Requirejs: module Partitioning Zepto: Mobile-side jquery Underscore: easy-to-base approach, including template templates, each, map, and more Lu Yucu: Here first uses director.js, however this thing does not have backbone and angular the route to be useful, the article finally discusses this question Make the simplest structure of your own, t

The downloaded docx file is not recognized. The downloaded file name turns into an underscore and a docx underline. The downloaded docx file is not recognized, and the downloaded file name becomes an underscore /*** Directly use the download file page*/@ RequestMapping ("/download ")@ RequiresPermissions ("sys: oss: all ")Public void download (String id, HttpServletResponse response, HttpServletRequest r

(-?-;), the weekend is really fast ah, a long time ago saw Imooc on a personal movie site, a two-period video, the two weeks House home to play nothing dry, I also learned to build a, these things are the basis, as long as the time is very studious, Nodejs This stuff is light weight, where is uncomfortable.　　If you learn to write, you can learn: Express New Project Express comes with the use of the Jade template engine Express's routing Management Rights Management in Expres

During the project creation process, it was found that form submission was unsuccessful. Later, it was found that the name of the control that I originally gave was invalid. After the control was submitted to the backend, it was found that all my control names contained. it is converted into an underscore after it is submitted _ During the project creation process, it was found that form submission was unsuccessful. Later, it was found that the name

(Parent.prototype, protoprops); atChild.prototype.constructor =Child ; - - //Set A convenience property in case the parent's prototype is needed - //later. -child.__super__ =Parent.prototype; - in returnChild ; - }; to + //Set up inheritance for the model, collection, router, view and history. -Model.extend = Collection.extend = Router.extend = View.extend = History.extend = Extend;View CodeThe extend in underscore enables shallow

Recently in the company project, found a strange problem, submitted a normal form, unexpectedly found unable to get the value of the submitted, this discovery, let me start the time confused, initially thought that my service has a problem, not normal write database, and then detect SQL statement found, The original problem occurred in the acquisition of data, the data obtained is empty, and then a debug found that the original submitted to the back end of all the variables, are not the expected

The underline symbol "__" is often used not only in our daily typing, and in particular, some word apply the underline is often used as an input box callout, such as all kinds of signed contracts, greeting cards, answer card production, etc. will use the underline to set aside a vacancy to fill out the date, name, answer, and so on. In addition, we can add various types of underscores, such as waves, dots, dashes, double underlines, and so on to highlight this paragraph of text. So how do these

Document directory Aliases Arguments Returns Aliases Arguments Returns _. Each Traverses the set and calls back each element in the set.APILo-Dash _. ForEach (collection [, callback = identity, thisArg])Aliases EachArguments collection (Array | Object | String): Set to be traversed [callback=identity] (Function): Functions called in each iteration [thisArg] (Arbitrary): BindcallbackOfthis callbackThree parameters are accepted:(value, index|key, collection) Returns (Array, Object, St

In the simple function JS library underscore, as the dependent library of the backbone framework, The functions in underscore to be used are the objects created based on underscore first, In underscore, The _ () method is required to create an object, This method passes in a native JS object. An example is as follo

One, double underlineIf you want the internal properties to be inaccessible externally, you can add two underscores to the name of the property, and __ in Python, the variable name of the instance __ becomes a private variable (private), which can only be accessed internally and cannot be accessed externally.is an instance variable that starts with a double underscore not necessarily externally accessible? Actually, it's not. cannot be accessed direct