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6. Central Objective-C Concepts: Pointers, Data Types, and Memory Management

Chapter 6. Central Objective-C Concepts: Pointers, Data Types, and Memory Management

For new programmers, one of the attractions of JavaScript is that browser interpreter engines handle a lot of tedious interior management, reducing the amount of programmer planning and intervention required by compiled languages and environments. For instance, once you assign a value to a JavaScript variable, your code simply references that variable anywhere within the proper scope to get the existing value or assign a new one. Additionally, not only do JavaScript variables not care what type of data is assigned to them, but your code can assign a completely different type of data to the same variable with impunity (although it is a potentially dangerous programming practice, for maintenance purposes). Finally, JavaSc....


  

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