We can parse the message with JSON in JavaScript by using the method “String.parseJSON(filter)”. It parses the JSON message to an string or object. The parameter “filter” is optional in this method which is used to filter message or transform their results. This method internally uses the JavaScript’s method eval() to parse messages.
<html>
<head>
<title>Parsing Message using JSON in JavaScript</title>
<script language="javascript" src="json2.js"></script>
<script language="javascript" >
var students = {
"Maths" : [
{ "Name" : "Amit", // First element
"Marks" : 67,
"age" : 23 },
{
"Name" : "Sandeep", // Second element
"Marks" : 65,
"age" : 21 }
]
}
// Printing Maths array values in the alert message
var i=0
var arrayObject = new Array();
for(i=0;i<students.Maths.length;i++)
{
arrayObject.push(students.Maths[i].Name);
arrayObject.push(students.Maths[i].Marks);
arrayObject.push(students.Maths[i].age);
}
alert("Parsing JSON Message Example ");
alert(arrayObject.toJSONString().parseJSON());
</script>
</head>
<body>
Parsing Message using JSON in JavaScript
</body>
</html>
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