javascript get json value code example

Example 1: 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 2: key value json javascript

var jsonArray = '{"required":1, "minlength":2}'
var jsonParsedArray = JSON.parse(jsonArray);
for (key in jsonParsedArray) {
  if (jsonParsedArray.hasOwnProperty(key)) {
      console.log("%c "+key + " = " + jsonParsedArray[key],"color:cyan");
  }
}

Example 3: json deep dot

Prototype code is available here

https://gist.github.com/Cirilord/d0d3f0ba7171deed26bfffe4787d6e0b

Example

let y = {}

Object.deep.(y, 'x.y.z')

console.log(y)
// y => { x: { y: { z: null } } }

OR

let x = {}

Object.deep.(x, 'x.y.z', 10)

console.log(x)
// x => { x: { y: { z: 10 } } }

Example 4: json object

var myObj, x;
myObj = {"name":"John", "age":30, "car":null};
x = myObj.name;
document.getElementById("demo").innerHTML = x;

Example 5: javascript find json value

function getCountryByCode(code) {
  return data.filter(
      function(data){ return data.code == code }
  );
}

var found = getCountryByCode('DZ');