Created
January 20, 2016 09:13
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Javascript prototypes
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| // Prototype demonstration | |
| function Salutator(name) { | |
| if (name === undefined){ | |
| throw "Please specify a name for Salutator"; | |
| } else { | |
| this.name = name; | |
| } | |
| } | |
| Salutator.prototype.setName = function(name) { | |
| this.name = name; | |
| }; | |
| Salutator.prototype.getName = function(name) { | |
| return this.name; | |
| }; | |
| Salutator.prototype.hi = function() { | |
| var greetings = "Hello there " + this.name; | |
| alert(greetings); | |
| }; | |
| Salutator.prototype.bye = function() { | |
| var goodbye = "Farewell " + this.name; | |
| alert(goobye); | |
| }; | |
| try { | |
| someSalutator = new Salutator("foo"); | |
| console.log(someSalutator.constructor); | |
| someSalutator.hi(); | |
| } catch(err) { | |
| console.log("Error: " + err); | |
| } | |
| console.log("Ending"); |
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