How to convert FormData (HTML5 object) to JSON

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Bug Killer answered on December 12, 2020 Popularity 9/10 Helpfulness 3/10

answer How to convert FormData (HTML5 object) to JSON

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How to convert FormData (HTML5 object) to JSON

Comment

var object = {};
formData.forEach(function(value, key){
    object[key] = value;
});
var json = JSON.stringify(object);

Popularity 9/10 Helpfulness 3/10 Language css

Source: stackoverflow.com

Tags: css form-data to-json

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Contributed on Jun 12 2021

Bug Killer

0 Answers Avg Quality 2/10

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FormData to json

Comment

var object = {};
formData.forEach(function(value, key){
    object[key] = value;
});
var json = JSON.stringify(object);

// Or ES6 arrow function
var object = {};
formData.forEach((value, key) => object[key] = value);
var json = JSON.stringify(object);

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: form-data form

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Contributed on Dec 12 2020

yusuf_fazeri

0 Answers Avg Quality 2/10

json to formData

Comment

function buildFormData(formData, data, parentKey) {
  if (data && typeof data === 'object' && !(data instanceof Date) && !(data instanceof File)) {
    Object.keys(data).forEach(key => {
      buildFormData(formData, data[key], parentKey ? `${parentKey}[${key}]` : key);
    });
  } else {
    const value = data == null ? '' : data;

    formData.append(parentKey, value);
  }
}

function jsonToFormData(data) {
  const formData = new FormData();
  
  buildFormData(formData, data);
  
  return formData;
}

const my_data = {
  num: 1,
  falseBool: false,
  trueBool: true,
  empty: '',
  und: undefined,
  nullable: null,
  date: new Date(),
  name: 'str',
  another_object: {
    name: 'my_name',
    value: 'whatever'
  },
  array: [
    {
      key1: {
        name: 'key1'
      }
    }
  ]
};

jsonToFormData(my_data)

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: form-data form

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Contributed on Apr 18 2021

Smiling Swan

0 Answers Avg Quality 2/10

json to formdata

Comment

function jsonToFormData (json){
    const FORM_DATA = new FormData();
    if(!json) return FORM_DATA;
    try{
        json = JSON.parse(json);
    }catch{}
    if(typeof json != 'object'||Array.isArray(json)) return FORM_DATA;
    for(key in json) {
        let value = json[key];
        if(Array.isArray(value)){
            value.forEach((v)=>{
                FORM_DATA.append(key+"[]", v);
            });
        }
        else
            FORM_DATA.append(key, typeof json[key] == 'object' ? JSON.stringify(json[key]) : json[key]);
    }

    return FORM_DATA;
}

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: form-data form

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Contributed on Jun 15 2022

2589

0 Answers Avg Quality 2/10

formData to Json

Comment

-1

`const formDataObject = (formData) => {

for (const key in formData) {
    if (formData[key].startsWith('{') || formData[key].startsWith('[')) {
        try {
            formData[key] = JSON.parse(formData[key]);
            console.log("key is :", key, "form data is :", formData[key]);

        } catch (error) {
            console.log("error :", key);
        }
    }
}

console.log("object", formData)
}`

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: form-data form

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Contributed on Sep 24 2021

Disturbed Deer

0 Answers Avg Quality 2/10

How to convert FormData (HTML5 object) to JSON

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