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I found a way to pass a JSON message using only a HTML form. This example is for GraphQL but it will work for any endpoint that is expecting a JSON message. GrapqhQL by default expects a parameter called operations where you can add your query or mutation in JSON format.
Use the JavaScript function JSON.parse() to convert text into a JavaScript object: const obj = JSON.parse('{"name":"John", "age":30, "city":"New York"}'); Make sure the text is in JSON format, or else you will get a syntax error.
The JSON.parse() method parses a JSON string into a native JavaScript array or object. Here is an example that uses 4 spaces for the indentation parameter.
Example. const dbParam = JSON.stringify( {table:"customers",limit:20}); const xmlhttp = new XMLHttpRequest (); xmlhttp.onload = function() { myObj = JSON.parse(this.responseText); let text = "<table border='1'>" for (let x in myObj) { text += "<tr><td>" + myObj [x].name + "</td></tr>"; } text += "</table>"
7 sie 2024 · In this article, we've given you a simple guide to using JSON in your programs, including how to create and parse JSON, and how to access data locked inside it. In the next article, we'll begin looking at object-oriented JavaScript.
14 lut 2023 · We use the JSON.parse() method to parse the JSON string into a JavaScript object. Once the JSON string has been parsed, we can access the values using dot notation, just like we would with any other object.
2 lip 2024 · To convert a JSON string to a JavaScript object you use the JSON parse function. Object= JSON.parse(JSONstring) Once the JSON data is placed into a JavaScript Object you can now use normal JavaScript methods and functions to extract elements of that data.
