Javascript: C and Bring

INTRODUCTION TO JAVASCRIPT draw:rect Precisely what is JavaScript? JavaScript was designed to put interactivity to HTML internet pages JavaScript is actually a scripting terminology A scripting language can be described as lightweight encoding language A JavaScript involves lines of executable pc code A JavaScript is often embedded straight into HTML webpages JavaScript can be an viewed language (means that intrigue execute with no preliminary compilation) Everyone can work with JavaScript without purchasing a certificate draw:rect Will be Java and JavaScript the Same? NO! Java and JavaScript are two completely different 'languages' in equally concept and design! Java (developed by simply Sun Microsystems) is a effective and much more sophisticated programming dialect - inside the same category as C and C++. draw:rect What can a JavaScript Perform? JavaScript offers HTML designers a programming tool -- HTML experts are normally certainly not programmers, but JavaScript can be described as scripting language with a very easy syntax! Almost any person can place small " snippets" of code to their HTML pages JavaScript can easily put active text in an CODE page -- A JavaScript statement like this: document. write(" " & name + " " ) may write a adjustable text in an CODE page JavaScript can react to events -- A JavaScript can be going execute the moment something occurs, like if a page features finished launching or every time a user clicks on an CODE element JavaScript can read and write CODE elements - A JavaScript can read and alter the content of an HTML component JavaScript may be used to validate info - A JavaScript may be used to validate contact form data ahead of it is posted to a storage space. This will save you the machine from extra processing JavaScript can be used to discover the visitor's browser A JavaScript may be used to detect the visitor's web browser, and -- depending on the browser - load another web page specifically designed for your browser JavaScript can be used to produce cookies - A JavaScript can be used to shop and access information on the visitor's computer system draw:rect The actual Name can be ECMAScript JavaScript's official brand is " ECMAScript". The normal is designed and preserved by the ECMA organisation. ECMA-262 is the standard JavaScript regular. The standard will be based upon JavaScript (Netscape) and JScript (Microsoft). The chinese language was created by Brendan Eich for Netscape (with Navigator 2 . 0), and has appeared in all Netscape and Ms browsers for more than 10 years. The development of ECMA-262 started in mil novecentos e noventa e seis, and the 1st edition of was implemented by the ECMA General Set up in Summer 1997. The normal was authorized as a global ISO (ISO/IEC 16262) standard in 1998. The development of the standard continues to be in progress. JAVASCRIPT OPERATORS The operator sama dengan is used to assign values. The operator + can be used to add values. draw:rect The assignment agent = is employed to assign values to JavaScript variables. The math operator + is used to add values with each other. The value of times, after the execution of the assertions above is 7. draw:rect JavaScript Arithmetic Operators Arithmetic operators are more comfortable with perform arithmetic between variables and/or values. Given that y=5, the desk below points out the math operators: draw:rect JavaScript Task Operators Task operators prefer assign values to JavaScript variables. Provided that x=10 and y=5, the table below explains the assignment workers: draw:rect The + Operator Used on Strings The & operator can also be used to add thread variables or text ideals together. To add two or more string variables collectively, use the & operator. Following the execution with the statements previously mentioned, the adjustable txt3 includes " Exactly what a university verynice day". To add a space between the two sets, insert a space into one of the strings: or insert a place into the phrase: After the performance of the assertions above, the variable txt3 contains: " What a good...

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