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- Categories: JavaScript Methods, JavaScript Reference, Reference
Last Updated on November 19, 2022
Quick Reference
The JSON.stringify() method converts JavaScript objects into strings.
<!-- html element to place output -->
<p id="my_output"></p>
// variables
let my_obj = {"first_name":"Johnny", "last_name":"Shay"};
let my_json = JSON.stringify(my_obj);
// output to the HTML element
document.getElementById('my_output').innerHTML = my_json;
Output
{"first_name":"Johnny","last_name":"Shay"}
Syntax
JSON.stringify(obj, replacer, space)
Parameters
| Parameter | Description |
|---|---|
| obj | The value to convert to a string (required) |
| replacer | Either a function or an array used to transform the result |
| space | A string to be used as white space (max 10 characters); or a number, from 0 to 10, to indicate how many space characters to use as white space |
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.
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JAVASCRIPT NOTES:
- When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- JavaScript is a case-sensitive language; firstName is NOT the same as firstname
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
- JavaScript variables must begin with a letter, $, or _
- JavaScript variables are case sensitive (x is not the same as X)
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