JavaScript JSON.parse()
JavaScript JSONThe 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 to transform the result, which 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>
<script>
document.getElementById("demo").innerHTML =
obj.employees[1].name + " " + obj.employees[1].site;
</script>
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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 is ""
return v; //Returns the modified value
});
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