How to convert string to object in javascript

In javascript, you can use the "JSON.parse()" method to convert a string into an object. This method can parse a string (written in JSON format) and return a JavaScript object, the syntax format is " JSON.parse(string)".

The operating environment of this tutorial: Windows 7 system, ECMAScript version 5, Dell G3 computer.

javascript string to object

Example:

Parse a string (written in JSON format) and return a JavaScript object:

var obj = JSON.parse('{"firstName":"John", "lastName":"Doe"}');
console.log(obj);

Output:

JavaScript JSON.parse() method

JSON.parse() method parsing String and returns a JavaScript object. The string must be written in JSON format. The JSON.parse() method can optionally use a function to convert the result. [Recommended learning: js basic tutorial]

Grammar

JSON.parse(string, function)

Parameter value

Parameter	Description
string	Required. A string written in JSON format
function	Optional. Function used to convert the result. This function is called for each item. Convert any nested objects before their parent. If the function returns a valid value, the item value is replaced with the converted value If the function returns undefined, the item is deleted

Return value: JSON object or array

For more programming-related knowledge, please visit: Programming Video! !

The above is the detailed content of How to convert string to object in javascript. For more information, please follow other related articles on the PHP Chinese website!