Javascript basics Summary

August 27, 2012 Javascript Tutorials

Jscript is Microsoft’s version of JavaScript a scripting language that is standardized by the ECMA international as ECMA script.

Often, JavaScript appear in the <head> section of the HTML document, the browse interprets the contents of the <head> section first.
Function parseInt converts its string arguments to an integer.
JavaScript does not require variables to have a type can be used in a program. A variable in JavaScript can contain a value of any data type, for this reason JavaScript is referred to as a loosely typed language.
Experience has shown that the best way to develop and maintain a large program is to construct it from small, simple pieces or modules. This technique is called divide an conquer.
Modules in JavaScript are called functions, program are written by combining new function that the programmer writes with “prepackaged” function.
The prepackaged functions that belong to JavaScript objects are often called methods. The method implies that function belongs to a particular object.
The function is invoked by a function call. The function call specifies the function name and provides information that the called function need to do its task.

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