JSON.parse() Method

The JSON.parse() method is a JavaScript method that converts a JSON string into a JavaScript object.

Syntax:

JSON.parse( string, function )

Example: Here is the basic example of JSON.parse() method.

Javascript

let str1 = '{"name": "Aman", "age": 21, "city": "Noida"}'; 
  
let result = JSON.parse(str1); 
  
console.log(result.name); 
console.log(result.age); 
console.log(result.city);

Output

Aman
21
Noida

JavaScript ES5 (JS 2009)

JavaScript 2009 (ES5) refers to the fifth edition of the ECMAScript language specification, standardized in 2009. It introduced several features, like strict mode, new methods, JSON support, and improved syntax for better programming practices and compatibility across browsers.

ECMAScript 5 (ES5) introduced several significant features to JavaScript, enhancing the language’s capabilities.

Name	Description
use strict	Enforces stricter parsing and error handling in JavaScript code.
String.trim()	Removes whitespace from the beginning and end.
Multiline strings	Use backslashes at the end of each line to continue.
Array.isArray()	Check if an object is an array.
Array.forEach()	Iterates over array elements, applying a provided function.
Array.map()	Transforms each array element using a provided function.
Array.filter()	Creates a new array with elements passing a test.
Array.reduce()	Combines an array of elements to produce a single result.
Array.reduceRight()	Combines array elements from right to left.
Array.every()	Checks if all elements satisfy a given condition.
Array.some()	Checks if any element satisfies a given condition.
Array.indexOf()	Returns the index of a specified element.
Array.lastIndexOf()	Returns the last index of a specified element.
JSON.parse()	Converts JSON string to JavaScript object.
JSON.stringify()	Converts JavaScript object to JSON formatted string.
Date.now()	Returns the current timestamp in milliseconds since 1970.
Date toISOString()	Converts date to ISO 8601 format string.
Date toJSON()	Converts date to JSON-formatted string (ISO 8601).
Property Getters and Setters	Control object property access and modification behavior.
Object.defineProperty()	Defines or modifies a property’s attributes on an object.
Object.defineProperties()	Defines or modifies multiple properties’ attributes on an object.
Object.getOwnPropertyDescriptor()	Gets attributes of a property from an object.
Object.keys()	Returns an array of enumerable property names in object.
Object.getOwnPropertyNames()	Returns an array of all property names in object.
Object.preventExtensions()	Prevents adding new properties to an object.
Object.isExtensible()	Checks if new properties can be added.
Object.seal()	Prevents new properties and makes existing non-configurable.
Object.isSealed()	Checks if object properties are non-configurable and sealed.
Object.freeze()	Prevents adding, modifying, and makes properties non-writable.
Object.isFrozen()	Checks if object properties are non-writable, non-configurable, and frozen.

Here is the explanation of above-mentioned topic

JSON.parse() Method

Javascript

JavaScript ES5 (JS 2009)

Categories

Contact US

JSON.parse() Method

Javascript

JavaScript ES5 (JS 2009)

Similar Reads

Categories

Contact US