JavaScript Tutorial

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  • 49
    This section will provide you with the basics of what JavaScript is, and why you should use it. Objectives     JavaScript versus JAVA     Interpreted programs versus Compiled programs     Why JavaScript     What you can use JavaScript for     About JavaScript JavaScript is a lightweight, interpreted programming language. It…
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  • 45
    Let us take a sample example to print out "Hello World". We added an optional HTML comment that surrounds our JavaScript code. This is to save our code from a browser that does not support JavaScript. The comment ends with a "//-->". Here "//" signifies a comment in JavaScript, so…
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  • 42
    JavaScript Datatype One of the most fundamental characteristics of a programming language is the set of data types it supports. These are the type of values that can be represented and manipulated in a programming language. JavaScript allows you to work with three primitive data types − Numbers, 123, 120.50…
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  • 39
    Cookie is simply a variable that your webpage can store on or retrieve from the user's computer to host machine. Examples of cookies could be: First time the visitor arrives the name is entered.(for example "John Wayne"). The username is then stored in a cookie. Next time he arrives at…
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  • 39
    A function is a group of reusable code which can be called anywhere in your program. This eliminates the need of writing the same code again and again. It helps programmers in writing modular codes. Functions allow a programmer to divide a big program into a number of small and…
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