convert array of string to array of objects javascript code example

Example 1: convert array to object in javascript

const array =    [ [ 'cardType', 'iDEBIT' ],
      [ 'txnAmount', '17.64' ],
      [ 'txnId', '20181' ],
      [ 'txnType', 'Purchase' ],
      [ 'txnDate', '2015/08/13 21:50:04' ],
      [ 'respCode', '0' ],
      [ 'isoCode', '0' ],
      [ 'authCode', '' ],
      [ 'acquirerInvoice', '0' ],
      [ 'message', '' ],
      [ 'isComplete', 'true' ],
      [ 'isTimeout', 'false' ] ];
      
const obj = Object.fromEntries(array);
console.log(obj);

Example 2: convert array of string to array of objects javascript

myArray = myArray.map((str, index) => ({ value: str, id: index + 1 }));

Example 3: js create object from array

[
  { id: 10, color: "red" },
  { id: 20, color: "blue" },
  { id: 30, color: "green" }
].reduce((acc, cur) => ({ ...acc, [cur.color]: cur.id }), {})

//output: 
{red: 10, blue: 20, green: 30}

Example 4: js array with objects to string

var array = new Array(); //new Array not necessary
var string;

array[0] = {key: value};
array[1] = {key1: value1};

string = JSON.stringify(array);

/*
string should look like
[{"key":"value"},{"key1":"value1"}]
*/