JAVASCRIPT

turn object into string javascript

var obj = {a: "a", b: "b" /*...*/};
var string = JSON.stringify(obj);
// OUTPUT:
// "{'a':'a', 'b':'b'}"

how convert object to string and string to object in javascript

// convert to string
JSON.stringify(myObject)

// convert to object
JSON.parse(myObject)

cast object to string javascript

var myJSON = JSON.stringify(obj);

string object to object in js

var strObj = '{ name:"John Doe", age:33, favorites:{ sports:["hoops", "baseball"], movies:["star wars", "taxi driver"]  }}';

var jsonStr = strObj.replace(/(w+:)|(w+ :)/g, function(s) {
  return '"' + s.substring(0, s.length-1) + '":';
});

var obj = JSON.parse(jsonStr);
console.log(obj.favorites.movies[0]); // expected output: star wars
 Run code snippet

string object to object in js

var obj = '{ firstName:"John", lastName:"Doe" }';

var jsonStr = obj.replace(/(w+:)|(w+ :)/g, function(matchedStr) {
  return '"' + matchedStr.substring(0, matchedStr.length - 1) + '":';
});

obj = JSON.parse(jsonStr); //converts to a regular object

console.log(obj.firstName); // expected output: John
console.log(obj.lastName); // expected output: Doe
 Run code snippet

object to string js

let arr = [
    "{"Machine Name":"Armature Assy 1","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 2","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 3","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 4","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 5","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 6","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 7","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 8","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 9","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 10","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 11","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 12","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 13","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 14","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 15","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 16","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 17","STS AM":5.5,"Waiting Time AM":0,"Breakdown AM":24.3,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 18","STS AM":1.1,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 19","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 20","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 21","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 22","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 23","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 24","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 27","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 28","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 29","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 30","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 31","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}",
    "{"Machine Name":"Armature Assy 99","STS AM":0,"Waiting Time AM":0,"Breakdown AM":0,"STS PM":0,"Waiting Time PM":0,"Breakdown PM":0}"
]
console.log(arr.map(x=> JSON.parse(x)))