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https://github.com/flynx/Course-JavaScript.git
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more code...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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@ -111,7 +111,7 @@
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{} instanceof Object // -> true
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{} instanceof Object // -> true
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// this essentially checks if the left oprtand is related to (i.e. in the
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// this essentially checks if the left oprtand is related to (i.e. in the
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// inheritance chain of) the second operand's .prototypr, or we can say
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// inheritance chain of) the second operand's .prototype, or we can say
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// that it id "inherited" from the constructor.
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// that it id "inherited" from the constructor.
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@ -119,10 +119,53 @@
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// Prototypes and inheritance
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// Prototypes and inheritance
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//
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//
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var a = {
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}
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var b = Object.create(a)
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var c = {
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__proto__: b,
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}
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// Constructors
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// Constructors
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//
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//
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function A(){
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this.attr = 42
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this.method = function(){
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console.log('Hello world!')
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}
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}
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var x = new A()
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var y = {
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__proto__: A.prototype,
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}
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function B(){
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var obj = {
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__proto__: B.prototype,
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}
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return obj
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}
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// this can be calles with and withot new
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var z = B()
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// less naive...
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function C(){
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var obj = this instanceof C ?
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this
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: { __proto__: C.prototype }
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return obj
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}
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// XXX extending the chain....
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/**********************************************************************
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/**********************************************************************
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