Created
April 17, 2017 16:54
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JS Overwrite prevention
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| /* Overwrite prevention */ | |
| var obj = { | |
| foo: 'this is the value of foo' | |
| }; | |
| Object.defineProperties(obj, { | |
| 'getFoo': { | |
| value: function () { | |
| return this.foo; | |
| } | |
| }, | |
| 'setFoo': { | |
| value: function (val) { | |
| this.foo = val; | |
| } | |
| } | |
| }); | |
| obj.getFoo = 66; | |
| // getFoo is not going to be overwritten! | |
| console.log(obj.getFoo()); | |
| // "this is the value of foo" |
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