Learn Prototype
Prototype Resources
Selected Reading
© 2013 TutorialsPoint.COM
|
Prototype isJSON() Method
Advertisements
This method checks if the string is valid JSON by the use of regular expressions. This security method is called internally.
Syntax:
Return Value:
Example:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult(){
var str = "something";
alert("something.isJSON() : " + str.isJSON());
var str = "\"something\"";
alert("\"something\" : " + str.isJSON());
var str = "{ foo: 42 }";
alert("{ foo: 42 } : " + str.isJSON());
var str = "{ \"foo\": 42 }";
alert("{ \"foo\": 42 } : " + str.isJSON());
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<br />
<input type="button" value="Result" onclick="showResult();"/>
</body>
</html>
|
To understand it in better way you can Try it yourself.
Advertisements
|
|
|