What are the languages basic entities?
A. As in most object-oriented, event-driven programming languages, there are four distinct entities in JavaScript: • OBJECTS. A discussion of objects is beyond the scope of this FAQ (see the section “Objects and the Web” in Intranet Journal’s Intranet FAQ for background). It’s impossible to understand JavaScript without knowing the following essentials, however: • everything you can control in a web browser is an object comprising properties and methods (sometimes referred to in the literature as attributes and operations, respectively) • properties define the state of an object; e.g., red text, 10-element array • methods define the actions that change the state of an object; e.g., fontcolor(“red”) sets the color of a text object to red. • FUNCTIONS. Methods that operate outside of objects; e.g., escape() and unescape(), JavaScript functions that perform ASCII to hex conversions. The existence of non-object-specific functions in JavaScript keeps it from being a truly object-oriented la
As in most object-oriented, event-driven programming languages, there are four distinct entities in JavaScript: * OBJECTS. A discussion of objects is beyond the scope of this FAQ (see the section “Objects and the Web” in Intranet Journal’s Intranet FAQ for background). It’s impossible to understand JavaScript without knowing the following essentials, however: 1. everything you can control in a web browser is an object comprising properties and methods (sometimes referred to in the literature as attributes and operations, respectively) 2. properties define the state of an object; e.g., red text, 10-element array 3. methods define the actions that change the state of an object; e.g., fontcolor(“red”) sets the color of a text object to red. * FUNCTIONS. Methods that operate outside of objects; e.g., escape() and unescape(), JavaScript functions that perform ASCII to hex conversions. The existence of non-object-specific functions in JavaScript keeps it from being a truly object-oriented la
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- What are the languages basic entities?
