var sample = {
name: "Himansu Jangid",
github: "https://github.com/himanshurajora",
age: 19
}
var converted = JSON.stringify(sample);
// now the converted variable contains stringified json object in the single line
// ------------
// to keep the json structure
converted = JSON.stringify(sample, null, ' ');
// now the object will be stringified but the structure will remain same
// output - '{
"name": "Himansu Jangid",
"github": "https://github.com/himanshurajora",
"age": 19
}'