如何在Javascript中将JSON字符串值转换为小写? [英] How to convert JSON string values to lowercase in Javascript?

问题描述

我有一些JSON数据，其中包含字符串和int值的混合.如何将所有字符串值都转换为小写?

I have some JSON data which contains mixture of string and int values. How can I convert all the string values to lowercase?

例如:

{ id: 0, name: "SAMPLe", forms: { formId: 0, id: 0, text: "Sample Text" }}

所需的输出:

{ id: 0, name: "sample", forms: { formId: 0, id: 0, text: "sample text" }}

推荐答案

您需要遍历该对象:

https://jsbin.com/lugokek/1/edit?js,console

var x = { id: 0, name: "SAMPLe", forms: { formId: 0, id: 0, text: "Sample Text" }};

function lower(obj) {
  for (var prop in obj) {
  if (typeof obj[prop] === 'string') {
    obj[prop] = obj[prop].toLowerCase();
  }
  if (typeof obj[prop] === 'object') {
    lower(obj[prop]);
    }
  }
  return obj;
}


console.log(lower(x));

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