// load math.js (using node.js) const math = require('../index') // serialize a math.js data type into a JSON string const x = math.complex('2+3i') const str1 = JSON.stringify(x) console.log(str1) // outputs {"mathjs":"Complex","re":2,"im":3} // deserialize a JSON string into a math.js data type // note that the reviver of math.js is needed for this: const str2 = '{"mathjs":"Unit","value":5,"unit":"cm"}' const y = JSON.parse(str2, math.json.reviver) console.log(math.typeof(y)) // 'Unit' console.log(y.toString()) // 5 cm