JavaScript JSON.parse()
The JSON.parse() method is used to convert a JSON string into an object.
Syntax
JSON.parse(text[, reviver])
Parameter Description:
text: Required, a valid JSON string.
reviver: Optional, a function that transforms the results, this function will be called for each member of the object.
Return Value:
Returns the object converted from the given JSON string.
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = obj.employees[1].name
+ " " + obj.employees[1].site;
</script>
Using the optional parameter:
Example
JSON.parse('{"p": 5}', function(k, v) {
if (k === '') { return v; }
return v * 2;
});
JSON.parse('{"1": 1, "2": 2, "3": {"4": 4, "5": {"6": 6}}}', function(k, v) {
console.log(k); // Outputs the current property, the last one being ""
return v; // Returns the modified value
});