How to remove null array from json in jquery

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i have a json array i want to remove null array from my json.

{
  "tblFormQuestions": [
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 308,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QShortText",
      "Question": "What's your name?",
      "PlaceHolderText": "Placeholder",
      "IsNumericOnly": true,
      "CharacterLimit": 0,
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [
        {
          "ID": 112,
          "FormQuestionID": 309,
          "OptionValue": "1 "
        },
        {
          "ID": 113,
          "FormQuestionID": 309,
          "OptionValue": " 2 "
        },
        {
          "ID": 114,
          "FormQuestionID": 309,
          "OptionValue": " 3"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 309,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ1",
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [
        {
          "ID": 115,
          "FormQuestionID": 310,
          "OptionValue": "4 "
        },
        {
          "ID": 116,
          "FormQuestionID": 310,
          "OptionValue": " 5"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 310,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ2",
      "IsRequired": true
    }
  ],
  "ID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
  "Title": "",
  "CreatedTime": "2019-05-08T16:38:56.637",
  "CreatedBy": "Admin"
}

Now i want to remove all null array [] from my json new json should be like this. How i can do it in jquery?

{
  "tblFormQuestions": [
    {     
      "ID": 308,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QShortText",
      "Question": "What's your name?",
      "PlaceHolderText": "Placeholder",
      "IsNumericOnly": true,
      "CharacterLimit": 0,
      "IsRequired": false
    },
    {     
      "tblFormQuestionDropdownOptions": [
        {
          "ID": 112,
          "FormQuestionID": 309,
          "OptionValue": "1 "
        },
        {
          "ID": 113,
          "FormQuestionID": 309,
          "OptionValue": " 2 "
        },
        {
          "ID": 114,
          "FormQuestionID": 309,
          "OptionValue": " 3"
        }
      ],
      "ID": 309,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ1",
      "IsRequired": false
    },
    {
      "tblFormQuestionDropdownOptions": [
        {
          "ID": 115,
          "FormQuestionID": 310,
          "OptionValue": "4 "
        },
        {
          "ID": 116,
          "FormQuestionID": 310,
          "OptionValue": " 5"
        }
      ],
      "ID": 310,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ2",
      "IsRequired": true
    }
  ],
  "ID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
  "Title": "",
  "CreatedTime": "2019-05-08T16:38:56.637",
  "CreatedBy": "Admin"
}

This works

let data = {
  "tblFormQuestions": [{
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 308,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QShortText",
      "Question": "What's your name?",
      "PlaceHolderText": "Placeholder",
      "IsNumericOnly": true,
      "CharacterLimit": 0,
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [{
          "ID": 112,
          "FormQuestionID": 309,
          "OptionValue": "1 "
        },
        {
          "ID": 113,
          "FormQuestionID": 309,
          "OptionValue": " 2 "
        },
        {
          "ID": 114,
          "FormQuestionID": 309,
          "OptionValue": " 3"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 309,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ1",
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [{
          "ID": 115,
          "FormQuestionID": 310,
          "OptionValue": "4 "
        },
        {
          "ID": 116,
          "FormQuestionID": 310,
          "OptionValue": " 5"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 310,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ2",
      "IsRequired": true
    }
  ],
  "ID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
  "Title": "",
  "CreatedTime": "2019-05-08T16:38:56.637",
  "CreatedBy": "Admin"
}

let result = data.tblFormQuestions.forEach(el => {

  Object.keys(el).forEach(inner => {
    // this check if the field is array ,so we not delete the empty string fields
    if (Array.isArray(el[inner]) && el[inner].length == 0) {
      delete el[inner]
    }
    
  })
})

console.log(data);

How to remove empty and null values from json object in jquery?, remove null values from json object in javascript, jquery json remove from array javascript, json object remove empty value, remove empty� Categories Technology Tags jquery json remove empty values, jquery remove null from json, json object remove empty value, remove empty object from array javascript, remove empty values from json object, remove null values from json object in javascript Leave a comment Post navigation

Using JSON.parse

let json = `{"tblFormQuestions":[{"tblFormQuestionAddresses":[],"tblFormQuestionDatePickers":[],"tblFormQuestionDropdownOptions":[],"tblFormQuestionImages":[],"tblFormQuestionSliders":[],"tblFormQuestionToggles":[],"ID":308,"FormID":"51231cc6-b7b4-44f8-a33a-684bc413ef1c","StepOrder":1,"QuestionType":"QShortText","Question":"What's your name?","PlaceHolderText":"Placeholder","IsNumericOnly":true,"CharacterLimit":0,"IsRequired":false},{"tblFormQuestionAddresses":[],"tblFormQuestionDatePickers":[],"tblFormQuestionDropdownOptions":[{"ID":112,"FormQuestionID":309,"OptionValue":"1 "},{"ID":113,"FormQuestionID":309,"OptionValue":" 2 "},{"ID":114,"FormQuestionID":309,"OptionValue":" 3"}],"tblFormQuestionImages":[],"tblFormQuestionSliders":[],"tblFormQuestionToggles":[],"ID":309,"FormID":"51231cc6-b7b4-44f8-a33a-684bc413ef1c","StepOrder":1,"QuestionType":"QDropdown","Question":"DQ1","IsRequired":false},{"tblFormQuestionAddresses":[],"tblFormQuestionDatePickers":[],"tblFormQuestionDropdownOptions":[{"ID":115,"FormQuestionID":310,"OptionValue":"4 "},{"ID":116,"FormQuestionID":310,"OptionValue":" 5"}],"tblFormQuestionImages":[],"tblFormQuestionSliders":[],"tblFormQuestionToggles":[],"ID":310,"FormID":"51231cc6-b7b4-44f8-a33a-684bc413ef1c","StepOrder":1,"QuestionType":"QDropdown","Question":"DQ2","IsRequired":true}],"ID":"51231cc6-b7b4-44f8-a33a-684bc413ef1c","Title":"","CreatedTime":"2019-05-08T16:38:56.637","CreatedBy":"Admin"}`

let parsed = JSON.parse(json, (key, value) =>
  Array.isArray(value) 
    ? (value.length) ? value : undefined 
    : value
)

console.log(parsed)

How to Remove Empty Object From JSON in JavaScript, remove null values from json object in javascript, jquery json remove empty values, jquery remove null from json, remove empty object from array javascript, json� If you want to remove all empty values from javascript json object then i will show you how to remove null and empty values from json object variable. we can easily delete null values from json object in jquery.

Loop over the object and if the value of any key is an object then use filter to remove empty array.

let obj = {
  "tblFormQuestions": [{
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 308,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QShortText",
      "Question": "What's your name?",
      "PlaceHolderText": "Placeholder",
      "IsNumericOnly": true,
      "CharacterLimit": 0,
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [{
          "ID": 112,
          "FormQuestionID": 309,
          "OptionValue": "1 "
        },
        {
          "ID": 113,
          "FormQuestionID": 309,
          "OptionValue": " 2 "
        },
        {
          "ID": 114,
          "FormQuestionID": 309,
          "OptionValue": " 3"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 309,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ1",
      "IsRequired": false
    },
    {
      "tblFormQuestionAddresses": [],
      "tblFormQuestionDatePickers": [],
      "tblFormQuestionDropdownOptions": [{
          "ID": 115,
          "FormQuestionID": 310,
          "OptionValue": "4 "
        },
        {
          "ID": 116,
          "FormQuestionID": 310,
          "OptionValue": " 5"
        }
      ],
      "tblFormQuestionImages": [],
      "tblFormQuestionSliders": [],
      "tblFormQuestionToggles": [],
      "ID": 310,
      "FormID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
      "StepOrder": 1,
      "QuestionType": "QDropdown",
      "Question": "DQ2",
      "IsRequired": true
    }
  ],
  "ID": "51231cc6-b7b4-44f8-a33a-684bc413ef1c",
  "Title": "",
  "CreatedTime": "2019-05-08T16:38:56.637",
  "CreatedBy": "Admin"
}
let newObj = {};
for (let keys in obj) {
  if (Array.isArray(obj[keys])) {
    newObj[keys] = obj[keys].filter(function(item) {
      return item.lenght !== 0;
    })

  }
  newObj[keys] = obj[keys]
}
console.log(newObj)

Remove blank attributes from a JavaScript Object, remove null values from json object in javascript, javascript json from array javascript, json object remove empty value, remove empty <script src="https:// cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>. Today, We want to share with you Remove null from array Jquery Example.In this post we will show you Delete empty object from array Jquery, hear for Delete null values from json object in Jquery we will give you demo and example for implement.In this post, we will learn about Delete empty array from multidimensional array Jquery with an example.

Javascript Remove All Null Values from Object Example, Given a JavaScript Object with null values in it, the task is to remove those null values from the object using javascript. Below are the methods to remove the blank attributes: innerHTML = JSON.stringify(obj);. function first_page How to get all selected checkboxes in an array using jQuery ? Next. we will use jquery array filter function for remove empty or null value. in filter function we will return values if string value is not empty or null value. var myArrayNew = myArray.filter (function (el) { return el != null && el != "";

remove empty object from array javascript, json object remove empty example to remove all null values in jquery json object. i just created� See the Pen JavaScript - Remove null, 0, blank, false, undefined and NaN values from an array - array-ex- 24 by w3resource (@w3resource) on CodePen. Improve this sample solution and post your code through Disqus

If need for jquery check if array is empty or undefined then i will help you. you can easily check if array is empty or not in javascript. we will use simple if condition and length of array with checking. so we can easily check if array is empty null undefined in javascript.

Comments
  • gyz i face a issue thats why i post a question and developers give me a negative vote ok no problem .thanks for your time
  • This deletes empty strings as well
  • Also, there is a Tidy button on the left of the snippet editor which will automatically format code. (It expands destructuring and object literals to new lines which you might have to manually remove)