Java script

Feb 22, 2017Download as pptx, pdf2 likes2,878 views

Now a days JavaScript is very essential features of the web designing .This is the very simple JavaScript design to learn something.

Outline
 History of JavaScript?
 Introduction To JavaScript?
 Where dose JavaScript Fit In?
 What Can JavaScript Do?
 Advantages Of JavaScript?
 JavaScript Development Tools?
 Limitations Of JavaScript?
 Conclusion…

History Of JavaScript
 JavaScript was introduced by ‘Brendan Eich’ in 1995.
 JavaScript was developed by Netscape communication
corporation.
 JavaScript become an ECMA standard in 1995.
 JavaScript has been adopted by all major graphical web
browser.

Introduction To JavaScript
 JavaScript is a dynamic computer programming
language.
 It is a lightweight and most commonly used as a part of
webpage.
 Web pages implements allow client-side to interact
with the user and make dynamic pages.
 JavaScript is an interpreted programming with oop
capability.
 JS is a open and cross platform and designed for
creating network and centric application.

 Client-side JS is the most common form of the
language.
 The script should be included in or referenced by an
HTML document for the code to be interpreted by
browser.
 JS client-side mechanism provides many advantages
over traditional CGI server-side script.

Where Does JavaScript Fit In?
 Recall:-
 Client opens connection to server.
 Client sends request to server.
 Server sends response to client.
 Client and server close connection.
 Client display the response received from server and
display in HTML.
 Between the body tag of HTML.
 Between the head tag of HTML.
 In .js file(external JavaScript).

What Can JavaScript Do?
 JavaScript dynamically modify an HTML page.
 JavaScript can react to user input.
 JavaScript can validate user input.
 JavaScript can be used to create cookies.
 JavaScript users interaction does not require any
communication with the server.

Advantages of JavaScript?
 The merits of JS are:- Less user interaction:
 You can validate user input before sending the page off to
the server. this saves servers traffic.
 Immediate feedback to the visitors:
 They don’t have to wait for a page reload to see if they have
forgotten to enter something.
 Increased Interactivity:
 You can create interfaces that react when the user hovers
over them with a mouse or activates them via keyboard.
 Richer interface:
 You can use JS to include such items as drag and drop
components and sliders to give a rich interface to your site
visitors.

JavaScript Development Tools?
 Microsoft FrontPage: Microsoft developed a popular
HTML editor called FrontPage. FrontPage also
provides web developer with a number of JS tools to
assist in the creation of interactive website.
 Macromedia Dream Weaver MX: It a very popular
HTML and JS editor in the professional web
development crowd. It provides several handy prebuilt
JS components, integrates well with database, and
conform to new standers such as XHTML and XML.
 Macromedia Home site 5: It is a well-liked HTML and
JS editor from Macromedia that can be used manage
personal website effectively.

Limitations Of JavaScript?
 Demerits of JS: We can treat that JS is a full fledged
programming language.
 Client-side JS doesn't allow the reading or writing of
files.
 This has been kept for security reasons.
 JS cannot be used for networking applications because
there is no such support available.
 JS doesn’t have any multi threading or multi processer
capabilities once again ,JS is a light weight interpreted
programming language. That allows you to build
interactivity into otherwise static HTML pages.

Conclusion!
 JavaScript is a dynamic programming language it will
gives less server interaction and increased
interactivity richer interface to the user. By using of
JavaScript development tools user can create
interactive feel good web pages.

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快速办理莱斯桥学院英文毕业证书影本【Q微号:1954 292 140】莱斯桥学院毕业证（Lethbridge毕业证书）成绩单、offer、学位证、留信学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。【关于学历材料质量】我们承诺采用的是学校原版纸张（原版纸质、底色、纹路）我们工厂拥有全套进口原装设备，特殊工艺都是采用不同机器制作，仿真度基本可以达到100%，所有成品以及工艺效果都可提前给客户展示，不满意可以根据客户要求进行调整，直到满意为止！【业务选择办理准则】一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证莱斯桥学院毕业证（Lethbridge毕业证书）【微信号1954 292 140】文凭即可二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证莱斯桥学院毕业证（Lethbridge毕业证书）【微信号1954 292 140】即可三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。【莱斯桥学院毕业证（Lethbridge毕业证书）成绩单有没有必要办理】成绩单的意义主要体现在证明学习能力、评估学术背景、展示综合素质、提高录取率，以及是作为留信认证申请材料的一部分。成绩单能够体现您的的学习能力，包括课程成绩、专业能力、研究能力。具体来说，成绩报告单通常包含学生的学习技能与习惯、各科成绩以及老师评语等部分，因此，成绩单不仅是学生学术能力的证明，也是评估学生是否适合某个教育项目的重要依据！

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Java script

2. Outline  History of JavaScript?  Introduction To JavaScript?  Where dose JavaScript Fit In?  What Can JavaScript Do?  Advantages Of JavaScript?  JavaScript Development Tools?  Limitations Of JavaScript?  Conclusion…

3. History Of JavaScript  JavaScript was introduced by ‘Brendan Eich’ in 1995.  JavaScript was developed by Netscape communication corporation.  JavaScript become an ECMA standard in 1995.  JavaScript has been adopted by all major graphical web browser.

4. Introduction To JavaScript  JavaScript is a dynamic computer programming language.  It is a lightweight and most commonly used as a part of webpage.  Web pages implements allow client-side to interact with the user and make dynamic pages.  JavaScript is an interpreted programming with oop capability.  JS is a open and cross platform and designed for creating network and centric application.

5.  Client-side JS is the most common form of the language.  The script should be included in or referenced by an HTML document for the code to be interpreted by browser.  JS client-side mechanism provides many advantages over traditional CGI server-side script.

6. Where Does JavaScript Fit In?  Recall:-  Client opens connection to server.  Client sends request to server.  Server sends response to client.  Client and server close connection.  Client display the response received from server and display in HTML.  Between the body tag of HTML.  Between the head tag of HTML.  In .js file(external JavaScript).

7. What Can JavaScript Do?  JavaScript dynamically modify an HTML page.  JavaScript can react to user input.  JavaScript can validate user input.  JavaScript can be used to create cookies.  JavaScript users interaction does not require any communication with the server.

8. Advantages of JavaScript?  The merits of JS are:- Less user interaction:  You can validate user input before sending the page off to the server. this saves servers traffic.  Immediate feedback to the visitors:  They don’t have to wait for a page reload to see if they have forgotten to enter something.  Increased Interactivity:  You can create interfaces that react when the user hovers over them with a mouse or activates them via keyboard.  Richer interface:  You can use JS to include such items as drag and drop components and sliders to give a rich interface to your site visitors.

9. JavaScript Development Tools?  Microsoft FrontPage: Microsoft developed a popular HTML editor called FrontPage. FrontPage also provides web developer with a number of JS tools to assist in the creation of interactive website.  Macromedia Dream Weaver MX: It a very popular HTML and JS editor in the professional web development crowd. It provides several handy prebuilt JS components, integrates well with database, and conform to new standers such as XHTML and XML.  Macromedia Home site 5: It is a well-liked HTML and JS editor from Macromedia that can be used manage personal website effectively.

10. Limitations Of JavaScript?  Demerits of JS: We can treat that JS is a full fledged programming language.  Client-side JS doesn't allow the reading or writing of files.  This has been kept for security reasons.  JS cannot be used for networking applications because there is no such support available.  JS doesn’t have any multi threading or multi processer capabilities once again ,JS is a light weight interpreted programming language. That allows you to build interactivity into otherwise static HTML pages.

11. Conclusion!  JavaScript is a dynamic programming language it will gives less server interaction and increased interactivity richer interface to the user. By using of JavaScript development tools user can create interactive feel good web pages.

12. Query?

Java script

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