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34 lines
681 B
34 lines
681 B
/* When encoding any value (val) using JSON.stringigy(), encoding begins
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* with a dummy wrapper object:
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*
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* { "": val }
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*
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* This seems to be a purely internal matter but is not: the wrapper
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* object is accessible to a replacement function.
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*/
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var val;
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var t;
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/*===
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replacer
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object
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foo
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foo
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===*/
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// Here the wrapper object is: { "": "foo" }
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val = "foo";
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t = JSON.stringify(val, function(k, v) {
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// this binding: holder object, i.e. the wrapper
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// k: key
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// v: value
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print("replacer");
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print(typeof this);
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print(this['']); // access the empty string key of the wrapper!
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print(k); // empty string
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print(v); // 'foo'
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});
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