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sivaprabug/hasOwnProperty.html

Last active March 10, 2016 10:33
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check hasOwnProperty in Javascript Class
Raw
hasOwnProperty.html
<!DOCTYPE html>
<html>
<head>
<title></title>
<script>
o = new Object();
o.prop = 'exists';
function changeO() {
o.newprop = o.prop;
delete o.prop;
}
console.log(o.hasOwnProperty('prop'));
changeO();
console.log(o.hasOwnProperty('prop'));
o.prop = 'exists';
console.log(o.hasOwnProperty('prop'));
console.log(o.hasOwnProperty('toString'));
console.log(o.hasOwnProperty('hasOwnProperty'));
</script>
</head>
<body>
</body>
<!-- https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty#Syntax gsivaprabu -->
</html>
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