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Description edit
Most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined. This authoritative book scrapes away these bad features to reveal a subset of JavaScript that's more reliable,... read more
Ridiculously Simplified Synopsis edit
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Quotes edit
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“Generally, the craft of programming is the factoring of a set of requirements into a set of functions and data structures.”
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There are four patterns of invocation in JavaScript: the method invocation pattern, the function invocation pattern, the constructor invocation pattern, and the apply invocation pattern.
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The || operator can be used to fill in default values:
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One way to minimize the use of global variables is to create a single global variable for your application: var MYAPP = {};
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it is best to declare all of the variables used in a function at the top of the function body.
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In addition to the declared parameters, every function receives two additional parameters: this and arguments.
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It is usually necessary to test object.hasOwnProperty(variable) to determine whether the property name is truly a member of the object or was found instead on the prototype chain.
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The function object created by a function literal contains a link to that outer context. This is called closure. This is the source of enormous expressive power.
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Every function object is also created with a prototype property. Its value is an object with a constructor property whose value is the function.
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The very good ideas include functions, loose typing, dynamic objects, and an expressive object literal notation. The bad ideas include a programming model based on global variables.
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Unlike many other languages, blocks in JavaScript do not create a new scope, so variables should be defined at the top of the function, not in blocks.
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Authors & Contributors edit
- Douglas Crockford (Author)
Classification edit
- Library of Congress: Add the Library of Congress Classification.
- Dewey: 005.133
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