programming with html5 javascript and css3

... [...]... many years and being used to working with high-performance programming languages and hardware, I initially had modest expectations of graphics programming with JavaScript What ... and features such as WebGL ensure a very bright future for graphics programming using JavaScript and a browser This book is for those who have a good working knowledge of JavaScript and ... positive and 1 means negative Go through the same procedure again, and we are back to +69 JavaScript s bitwise operators JavaScript s bitwise operators act on the binary digits, or bits, within

Ngày tải lên: 21/03/2014, 11:58

... Drawing Context Drawing Rectangles Drawing Paths with Lines and Curves Drawing Bitmap Images Colors, Strokes, and Fills Animating with Canvas Canvas and Recursive Drawing vi | Table of Contents www.it-ebooks.info ... for “to” commands (Canvas), 131 drawing with Canvas, 129–144 bitmap images, 138 Canvas element, 129 colors, strokes, and fills, 140 drawing context, 129 drawing paths with lines and curves, 130– ... by a sandy-brown, bristly coat and long hair on the chest, front legs, and throat Barbary sheep, like most desert-dwelling animals, seek shade during the day and are most active at dawn and dusk,

Ngày tải lên: 04/03/2019, 09:10

... unique within the document, and it should also follow the other rules mentioned in Chapter 1 Some people start the value of id and name attributes for forms with the characters frm and ... Up Tables Using a Head, Body, and Foot Tables can be divided into three portions: a header, a body, and a foot. The head and foot are rather simi- lar to headers and footers in a word-processed ... abbr=”Structure and markup”>The structure of a document and how to markup text.</td> <td headers=”Sunday Morning” abbr=”Tables, forms and frames”>Adding tables and forms to pages.

Ngày tải lên: 21/01/2014, 16:20

... form lives inside a element and that inside a form there are one or more form controls You have seen... and elements and aid navigation with tabindex and accesskey attributes Finally, ... only the elements that a user can interact with, such as links and form con- trols, that can receive focus. Indeed, if a user is expected to interact with an element, that element must be able ... number between 0 and 32767, which forms part of the tabbing order. Every time the user presses the Tab key, the focus moves to the element with the next highest tabbing order (and again, Shift+Tab

Ngày tải lên: 21/01/2014, 16:20

... and child selectors. One Two Three Four Five Using the adjacent and adjacent sibling and child selectors... individually control the top, bottom, left, and right border, margin, and ... is designed for use with language attributes) Prefix selector (CSS3) p[attr^”b”] Any element carrying any attribute whose value begins with b (CSS3) Substring selector (CSS3) p[attr*”on”] ... image should be level with the top of the font With text, the bottom of the descender (the parts of letters such as g and p that go beneath the line of text) should align with the top of the

Ngày tải lên: 21/01/2014, 16:20

... Netscape 6 and later, and in IE7, and have good support in Firefox The :before and :after Pseudo-Elements The :before and :after pseudo-elements... text, a hand over a link, and so on) ... selector, and is with the :before and :after pseudo-elements The content property is then used with these pseudo-elements to specify what should be inserted into the document The :before and ... background of any box in CSS, and its effect can be quite powerful. The value it takes is as follows, starting with the letters url, and then holding the URL for the image in brackets and quotes: body {background-image:

Ngày tải lên: 21/01/2014, 16:20

... page This usually means starting with the branding and the primary navigation The branding and primary navigation should be in the same place on... the page (and then sometimes more than one ... in touch with you (phone, e-mail, fax, opening hours, maybe a map, and so on) and ideally a contact form could all be put in one “contact us” group. ❑ If a company has outside investors and is ... logo or branding to most pages, maybe a search form, and possibly advertising. You should also remember some boring yet necessary features such as a copyright notice, terms and conditions, and a

Ngày tải lên: 21/01/2014, 16:20

... although to understand this point you need to understand functions and global and local variables, which are covered later. A variable’s value can be recalled or changed by the script, and when you ... min(x,y) Returns the number with the lowest value of x and y pow(x,y) Returns the value of the number x raised to the power of y random() Returns a random number between 0 and 1 round(x) Rounds ... chapter. Starting to Program with JavaScript Having learned about the DOM, you can see how it allows you to access a document in a web browser. However, it is JavaScript that introduces real programming concepts.

Ngày tải lên: 21/01/2014, 16:20

... to a random value between 0 and the number of items in the array In order to generate this random number, you need to call two methods of the Math object The random() method generates a random ... (so they don’t have to manually select all the text with the mouse), you can use the focus() and select() methods. 475 Chapter 12: Working with JavaScript 59313c12.qxd:WroxPro 3/23/08 1:44 PM Page ... of the document is called that is responsible for enabling and disabling the con- trol and setting values. 472 Chapter 12: Working with JavaScript 59313c12.qxd:WroxPro 3/23/08 1:44 PM Page 472 Please

Ngày tải lên: 21/01/2014, 16:20

... authoring tool and follow these steps: 1 Start with the XML and DOCTYPE declarations and add the skeleton of the XHTML document,... the most common way of embedding moving graphics and video ... courses</a></h2> <ul> <li>Spinach and Ricotta Roulade (<a href=”#vege”>v</a>)</li> <li>Beef Tournados with Mustard and Dill Sauce</li> <li>Roast Chicken Salad</li> <li>Icelandic ... deprecated, and you can achieve the same result by using the border or margin properties in CSS The ismap and usemap Attributes The ismap and usemap attributes are used with image maps

Ngày tải lên: 26/01/2014, 11:20

... form lives inside a element and that inside a form there are one or more form controls You have seen... and elements and aid navigation with tabindex and accesskey attributes Finally, ... only the elements that a user can interact with, such as links and form con- trols, that can receive focus. Indeed, if a user is expected to interact with an element, that element must be able ... number between 0 and 32767, which forms part of the tabbing order. Every time the user presses the Tab key, the focus moves to the element with the next highest tabbing order (and again, Shift+Tab

Ngày tải lên: 26/01/2014, 11:20

... begins with en and is followed with a hyphen (it is designed for use with language attributes) Prefix selector (CSS3 ) p[attr^”b”] Any element carrying any attribute whose value begins with ... as follows: ultra-condensed extra-condensed condensed semi-condensed semi-expanded expanded extra-expanded ultra-expanded For example, you can make a condensed Arial font using the following syntax: p ... Example serif Fonts with serifs Times sans-serif Fonts without serifs Arial monospace Fixed-width fonts Courier cursive Fonts that emulate handwriting Comic Sans fantasy Decorative fonts for titles, and so

Ngày tải lên: 26/01/2014, 11:20

... experience with everything you’ve learned in this book Server-Side Web Programming: ASP.NET, and PHP You’ve already seen the very basics of what a programming language such as JavaScript ... environment and stick to it (although to a certain degree it is much simpler to learn a second language and environment when you already understand one and know what can be done with server-side ... market is hard to keep up with, but it can be well worth... than going with the first one you find New deals with more storage, greater bandwidth, larger mailboxes, and newer features are

Ngày tải lên: 26/01/2014, 14:20

... of the site that uses only lines and text — holding back on the style until the client understands and agrees with the type of content that should be on the site and how visitors should achieve ... elements that will appear on every page. This usually means starting with the branding and the primary navigation. The branding and primary navigation should be in the same place on every page. ... is mid-gray and contains the logo and a banner ad. ❑ The third is light gray and contains the navigation bar. So the header lives in a nested table that also contains three rows and stretches...

Ngày tải lên: 24/10/2013, 12:15

... enter a URL or click a link and read the page and view the images. JavaScript allowed web-page authors to access and manipulate features and content of the document and the browsers used to view ... everyone is able to access the site. And like being a brand consultant, you need to choose the right colors and select fonts that work well with the aims and values of your site. What you have ... of the document and know when the user is interacting with it. It does this by interacting with the browser through using the properties and methods set out in an applica- tion programming interface...

Ngày tải lên: 07/11/2013, 15:15

... can read through this chapter again and you should be able to understand more examples of what can be achieved with JavaScript. 451 Chapter 11: Learning JavaScript 59313c11.qxd:WroxPro 3/23/08 ... although to understand this point you need to understand functions and global and local variables, which are covered later. A variable’s value can be recalled or changed by the script, and when you ... selected and displays that number to the user. As with the last example, if no checkboxes have been selected, you can alert the user that she must enter a value. 468 Chapter 12: Working with JavaScript 59313c12.qxd:WroxPro...

Ngày tải lên: 14/12/2013, 21:16

... Calendars with YUI The third and final JavaScript library you will be looking at is the Yahoo User Interface library. This is created by Yahoo, and is the largest of the three libraries, with all ... MochiKit.js JavaScript library, and the second is for the sortable_tables.js file that comes with the MochiKit download ( ch12_eg22.html ). <script type=”text /javascript <script type=”text /javascript src=”scripts/MochiKit/examples/sortable_tables/sortable_tables.js”></script> Next ... file- names and will not open files containing them. You can create pop-up windows in JavaScript in several ways, but I strongly recommend that you use this approach if you choose to create them with JavaScript...

Ngày tải lên: 14/12/2013, 21:16

... chapter and add styles to show what bold and italic versions of each font would look like. You should end up with something like Figure 7-36. You are allowed to use only <span> and <br ... comments and then have other users reply to those questions, and are a great way to add a community feeling to your site. They also provide new content without your having to add it yourself and can ... banner ads and animations). This is partly because it is much quicker to develop a site in XHTML and partly because fewer people have the skills to integrate Flash well with databases than do with...

Ngày tải lên: 14/12/2013, 21:16

... Element (deprecated) 48 Understanding Block and Inline Elements 48 Grouping Elements with <div> and <span> 49 Summary 50 Exercises 51 Chapter 2: Links and Navigation 53 Basic Links ... Programmer, and related trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc. and/ or its affiliates, in the United States and other countries, and may not be used without ... author and peer discussion, join the P2P forums at p2p.wrox.com . The forums are a web-based system for you to post messages related to Wrox books and related technologies and interact with other...

Ngày tải lên: 24/12/2013, 07:17