js convert to json code example

Example 1: convert string to object javascript

var mystr = '{ "hello":"world" }' // NB: Has enclosing ""
var myobj = JSON.parse(mystr);

Example 2: change js to json

var obj = {name: "Martin", age: 30, country: "United States"};
 
// Converting JS object to JSON string
var json = JSON.stringify(obj);
 
console.log(json);
// Prints: {"name":"Martin","age":30,"country":"United States"} 
"https://www.tutorialrepublic.com/faq/how-to-convert-js-object-to-json-string.php"

Example 3: Javascript object to JSON string

var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);

Example 4: js string to json

var obj = JSON.parse("{no:'u',my:'sql'}");//returnes {no:'u',my:'sql'}

Example 5: how to use json stringify in javascript

var Num=[1,2,3,4,5,6]
console.log("The Numbers Are "+JSON.stringify(Num))
//output= The Number Are [1,2,3,4,5,6]

Example 6: convert string to object javascript

str = "firstName:name1, lastName:last1"; // NB: No enclosing ""
obj = eval('({' + str + '})');