Beginning Backbone.js is your step by step consultant to studying and utilizing the Backbone.js library on your net tasks. Backbone.js is likely one of the most well liked JavaScript libraries between internet builders, used to create modular, single-page internet apps. This booklet takes you from downloading Backbone.js and its dependencies all of the option to utilizing extra complicated libraries to constitution your software structure, and every little thing in among.
With a real-world, useful strategy, you'll learn the way you could combine Backbone.js into the heart of your JavaScript stack, and create scalable functions. James Sugrue exhibits you ways to enforce all facets of templating, paintings successfully with RequireJS, and completely comprehend Grunt and all its plug-ins. Armed with this data possible architect a continuing integration process that's key to real-world applications.
With the explosion of JavaScript-based purposes on the internet, the necessity for extra based ways to code administration is extra very important than ever. Backbone.js is helping create functions that separate types from perspectives, allowing builders to prevent spaghetti code. Beginning Backbone.js will lightly advisor you into this amazingly robust library, and assist you ramp as much as construction specialist functions. combine Backbone.js into your paintings this day with this critical book.
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Additional resources for Beginning Backbone.js (Expert's Voice in Web Development)
Slice(startPos, endPos) Extracts the a part of the String among the desired begin and finish positions. split(token) Splits the String into an array of subStrings, utilizing the desired token because the delimiter. substr(startPos, numChars) Extracts a subString from the String, starting first and foremost place during the special variety of characters. subString(startPos, endPos) Extracts a subString from the String, among the desired begin place and finish place. toLowerCase() Returns the String in all lowercase characters. toUpperCase() Returns the String in all uppercase characters. trim() Returns the String with none of the whitespace at both finish. valueOf() Returns the primitive worth of the String. 23 Chapter 2 ■ Getting Object-Oriented The String item is immutable, which means all of those equipment don't modify the unique String yet in its place go back a brand new String. quantity not like such a lot different programming languages, JavaScript makes use of a floating-point illustration for numbers, and that’s it! reckoning on the way you are looking to characterize the quantity, you could create integers, doubles, and upload medical notation for higher numbers. var count number = 10; //number without decimal areas var expense = 2. ninety nine; //number with decimal areas var pi = 123e5; //12300000 while no decimal position is outlined, the variety of a bunch is from -253 to 253. For floating-point numbers, the diversity is going from -2e31 to 2e31. There are precise values for numbers: Infinity, while a math overflow exception happens, and -Infinity, while a bunch is smaller than the minimal supported price. Boolean Booleans are basic values used for trying out in conditional statements and will be considered one of values, actual or fake. It’s worthy noting that real is taken care of as a String and never a Boolean. var lightsOn = true; Undefined and Null many folks get harassed with the adaptation among undefined and null, typically due to their studies in different programming languages. truthfully, it’s very simple to determine the way it works. Undefined is the default price assigned to any variable. So, if I created a variable as follows and published its price, it'd be undefined. var initialVariable; console. log(initialVariable); Null should be assigned via the programmer to drain a variable and isn't a default price. var initialVariable = 'hello'; initialVariable = null; either one of those forms are thought of primitive facts varieties within the JavaScript global. middle items in JavaScript There are a number of extra invaluable items supplied to you by way of the JavaScript language to aid care for dates, uncomplicated mathematical operations, ordinary expressions, and arrays. 24 Chapter 2 ■ Getting Object-Oriented Date whereas many libraries exist that can assist you care for date and time, the JavaScript Date item is lovely robust by itself. Date items may be developed utilizing any of 4 constructors, the main invaluable being the shape that take no parameters, supplying you with the present date and time. you may also construct a Date obect at a specific time by way of offering a millisecond worth.