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matheo
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Asked: 2022-06-18T03:50:00+03:00 In:

How do I convert Javascript object to json

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I want help to know how can I convert object to json in javascript

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    1 Answer

    1. Junior < Frontend Developer at Phenom /> || Mock Interviewer || Javascript || to teach React || Content Creator
      This answer was edited.

      short answer: 

      use JSON.stringify()

      There are 3 ways to use this:

      JSON.stringify(value, replacer)

      JSON.stringify(value)
      JSON.stringify(value, replacer)

      JSON.stringify(value, replacer, space)

      Below is demonstration

      JSON.stringify(value)
      // convert obj to json
      ex:
      let obj={"name": "srikanth", age:26, phoneNo:9321234576}
      let jsonObj=JSON.stringify(obj)
      console.log(jsonObj)

      output:
      {“name”:”srikanth”,”age”:26,”phoneNo”:9321234576}

       

      JSON.stringify(value, replacer)
      ( to select keys in object)

      let obj={"name": "srikanth", age:26, phoneNo:9321234576}

      let jsonObj=JSON.stringify(obj,["name","age"])
      console.log(jsonObj)

      output:
      {“name”:”srikanth”,”age”:26}

      JSON.stringify(value, replacer, space)
       (to format output of stringified json)

      let obj={"name": "srikanth", age:26, phoneNo:9321234576}
      let jsonObj=JSON.stringify(obj,null,' ')
      console.log(jsonObj)

      output:
      {
      “name”: “srikanth”,
      “age”: 26,
      “phoneNo”: 9321234576
      }

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