javascript-testing/javascript-getters-setters.html at master · robnyman/javascript-testing · GitHub

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<metahttp-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Testing getters and setters, and Object.defineProperty</title>
<linkrel="stylesheet" href="css/base.css" type="text/css" media="screen">
</head>

<body>

<divid="container">
<h1>
 Testing getters and setters, and Object.defineProperty
<ahref="index.html"> - To index of all tests and compatibility tables</a>
</h1>
<p>Below are tests for getters and setters in various web browsers, and also using <code>Object.defineProperty</code>.</p>

<divclass="navigation">
<h2>Content</h2>
<ul>
<li>
<ahref="#regular-getters-and-setters">Regular getters and setters</a>
<ul>
<li><ahref="#regular-getters-and-setters-object-literal-notation">Object literal notation</a></li>
<li><ahref="#regular-getters-and-setters-object-notation">Object notation</a></li>
<li><ahref="#regular-getters-and-setters-on-dom-elements">On DOM elements</a></li>
</ul>
</li>
<li>
<ahref="#object-defineproperty">Object.defineProperty</a>
<ul>
<li><ahref="#object-defineproperty-on-objects">On Objects</a></li>
<li><ahref="#object-defineproperty-on-dom-elements">On DOM elements</a></li>
</ul>
</li>
</ul>
</div>


<h2id="regular-getters-and-setters">Regular getters and setters</h2>
<divclass="section">
<h3id="regular-getters-and-setters-object-literal-notation">Object literal notation</h3>
<preclass="brush: js">var lost = {
	loc : "Island",
	get location () {
 return this.loc;
	},
	set location(val) {
 this.loc = val;
	}
};
lost.location = "Another island";</pre>
<p>
<strong>Result:</strong>
<spanid="regular-getters-and-setters-object-literal-notation-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
varlost={
loc : "Island",
getlocation(){
returnthis.loc;
},
setlocation(val){
this.loc=val;
}
};
lost.location="Another island";
document.getElementById("regular-getters-and-setters-object-literal-notation-results").innerHTML="lost.location = "+lost.location;
})();
</script>

<h4>Works in:</h4>
<ulclass="browsers">
<liclass="browser">
<imgalt="Firefox" src="images/firefox.png"> 2.0+
</li>

<liclass="browser">
<imgalt="Safari" src="images/safari.png"> 3.0+
</li>

<liclass="browser">
<imgalt="Google Chrome" src="images/google-chrome.png"> 1.0+
</li>

<liclass="browser">
<imgalt="Opera" src="images/opera.png"> 9.5+
</li>
</ul>
</div>

<divclass="section">
<h3id="regular-getters-and-setters-object-notation">Object notation</h3>
<preclass="brush: js">function Lost () {
	// Constructor
}

Lost.prototype = {
 get location (){
 return this.loc;
 },
 set location (val){
 this.loc = val;
 }
};
var lostIsland = new Lost();
lostIsland.location = "Somewhere in time";</pre>
<p>
<strong>Result:</strong>
<spanid="getters-setters-object-notation-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
functionLost(){
// Constructor
}

Lost.prototype={
getlocation(){
returnthis.loc;
},
setlocation(val){
this.loc=val;
}
};
varlostIsland=newLost();
lostIsland.location="Somewhere in time";
document.getElementById("getters-setters-object-notation-results").innerHTML="lostIsland.location = "+lostIsland.location;
})();
</script>

<h4>Works in:</h4>
<ulclass="browsers">
<liclass="browser">
<imgalt="Firefox" src="images/firefox.png"> 2.0+
</li>

<liclass="browser">
<imgalt="Safari" src="images/safari.png"> 3.0+
</li>

<liclass="browser">
<imgalt="Google Chrome" src="images/google-chrome.png"> 1.0+
</li>

<liclass="browser">
<imgalt="Opera" src="images/opera.png"> 9.5+
</li>
</ul>
</div>

<divclass="section">
<h3id="regular-getters-and-setters-on-dom-elements">On DOM elements</h3>
<preclass="brush: js">HTMLElement.prototype.__defineGetter__("node", function () {
	return this.nodeName;
});</pre>
<p>
<strong>Result:</strong>
<spanid="regular-getters-and-setters-on-dom-elements-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
HTMLElement.prototype.__defineGetter__("node",function(){
returnthis.nodeName;
});
document.getElementById("regular-getters-and-setters-on-dom-elements-results").innerHTML="document.body.node = "+document.body.node;
})();
</script>

<preclass="brush: js">HTMLElement.prototype.__defineGetter__("description", function () {
	return this.desc;
});
HTMLElement.prototype.__defineSetter__("description", function (val) {
	this.desc = val;
});
document.body.description = "Beautiful body";</pre>
<p>
<strong>Result:</strong>
<spanid="regular-getters-and-setters-on-dom-elements-setter-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
HTMLElement.prototype.__defineGetter__("description",function(){
returnthis.desc;
});
HTMLElement.prototype.__defineSetter__("description",function(val){
this.desc=val;
});
document.body.description="Beautiful body";
document.getElementById("regular-getters-and-setters-on-dom-elements-setter-results").innerHTML="document.body.description = "+document.body.description;
})();
</script>

<h4>Works in:</h4>
<ulclass="browsers">
<liclass="browser">
<imgalt="Firefox" src="images/firefox.png"> 2.0+
</li>

<liclass="browser">
<imgalt="Safari" src="images/safari.png"> 3.0+
</li>

<liclass="browser">
<imgalt="Google Chrome" src="images/google-chrome.png"> 1.0+
</li>

<liclass="browser">
<imgalt="Opera" src="images/opera.png"> 9.5+
</li>
</ul>
</div>

<h2id="object-defineproperty">Object.defineProperty</h2>
<divclass="section">
<h3id="object-defineproperty-on-objects">On Objects</h3>
<preclass="brush: js">Object.defineProperty(document.body, "description", {
	get : function () {
 return this.desc;
	},
	set : function (val) {
 this.desc = val;
	}
});
document.body.description = "Content container";</pre>
<p>
<strong>Result:</strong>
<spanid="object-defineproperty-on-objects-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
varlost={
loc : "Island"
};
Object.defineProperty(lost,"location",{
get : function(){
returnthis.loc;
},
set : function(val){
this.loc=val;
}
});
lost.location="Another island";
document.getElementById("object-defineproperty-on-objects-results").innerHTML="lost.location = "+lost.location;
})();
</script>

<h4>Works in:</h4>
<ulclass="browsers">
<liclass="browser">
 No web browser
</li>
</ul>
</div>


<divclass="section">
<h3id="object-defineproperty-on-dom-elements">On DOM elements</h3>
<preclass="brush: js">Object.defineProperty(document.body, "description", {
	get : function () {
 return this.desc;
	},
	set : function (val) {
 this.desc = val;
	}
});
document.body.description = "Content container";</pre>
<p>
<strong>Result:</strong>
<spanid="object-defineproperty-on-dom-elements-results"><spanclass="failed">FAILED</span></span>
</p>

<scripttype="text/javascript">
(function(){
Object.defineProperty(document.body,"description",{
get : function(){
returnthis.desc;
},
set : function(val){
this.desc=val;
}
});
document.body.description="Content container";
document.getElementById("object-defineproperty-on-dom-elements-results").innerHTML="document.body.description = "+document.body.description;
})();
</script>

<h4>Works in:</h4>
<ulclass="browsers">
<liclass="browser">
<imgalt="Internet Explorer" src="images/ie.png"> 8.0+
</li>
</ul>
</div>

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