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    Objetos Globais

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    This chapter documents all the JavaScript objects, along with their methods and properties.

    The term "global objects" here is not to be confused with the global object. Here, global objects refer to objects in the global scope (but only if ECMAScript 5 strict mode is not used! Otherwise it returns undefined). The global object itself can be accessed by this in the global scope. In fact, the global scope consists of the properties of the global object (including inherited properties, if any).

    Other objects in the global scope are either created by the user script or provided by the host application. The host objects available in browser contexts are documented in the API reference. For more information about the distinction between the DOM and core JavaScript, see JavaScript technologies overview.

    Standard objects (by category)

    Value properties

    Global properties returning a simple value.

    Function properties

    Global functions returning the result of a specific routine.

    Fundamental objects

    General language objects, functions and errors.

    Numbers and dates

    Objects dealing with numbers, dates and mathematical calculations.

    Text processing

    Objects for manipulating texts.

    Indexed collections

    Collections ordered by an index. Array-type objects.

    Keyed collections

    Collections of objects as keys. Elements iterable in insertion order.

    Structured data

    Data buffers and JavaScript Object Notation.

    Control abstraction objects



    Additions to the ECMAScript core for language-sensitive functionalities.



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