JSON Stringify vs JSON Parse
In this video we will discuss about :
JSON.Stringify()
JSON.Stringify()
To convert JavaScript object to String.
To convert array into String.
It removes any functions from a JavaScript object, both the key and the value
To avoid this, convert your functions into strings before running the JSON.stringify() function.
Date Objects are converted into strings
Usage:
When sending data to a web server, the data has to be a string.
It is also used while Storing data in local storage of browsers.
JSON.Parse()
To convert String to JavaScript object .
JSON.parse() on a JSON derived from an array, will return a JavaScript array.
When receiving data from a web server, the data is always a string. Parse the data with JSON.parse(), and the data becomes a JavaScript object.
You should avoid using functions in JSON, the functions will lose their scope, and you would have to use eval() to convert them back into functions.
Date objects are not allowed in JSON. If you need to include a date, write it as a string.
JavaScript Playlist Link : • Salesforce Certified JavaScript Professional
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