Learn how to read an external local JSON file in JavaScript using different methods and techniques.

Your file url is /content.json which means that file is on root level of your web app. Change to content.json (without slash) to point it in the same directory where your script file is placed. Only in case if your script file is in root level directory it will works.

The JSON.parse () method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.

Aug 15, 2018 · Learn how to read a JSON file using the fetch() function in JavaScript with examples and explanations.

{ "item": "apple" }, { "item": "banana" }] } Using the following JS (NodeJS): Updated with answers from user 'elssar' var data = JSON.parse(fs.readFileSync(filePath)); console.log(data.collection.length); Expected result: 2 Without specifying the encoding data will be a buffer instead of string (thanks to user nils). JSON.parse should work for ...

Jan 23, 2019 · But I heard when reading JSON file using Method 1 is efficient than other methods. I'm developing a module where I have to read a JSON file when each client side request and I'm currently using Method 1.

The file test.json doesn't specify any path so it is therefore a relative URI, relative to the location of the page accessing it. So like @seppo0010 says it will be local to the server if the page is on a remote server somewhere and it will be relative to your computer if the page is in your local filesystem accessed by the file:// protocol.

Feb 10, 2019 · I'm trying to read a JSON file I have, uploaded by the user, and try to copy it to an array. However, with a .readAsText (), the return I get has the formatting of a string (obviously), such as including \" and \n and other string-like properties.

Learn how to read a local text file in the browser using JavaScript and HTML5 File API.

Jan 31, 2017 · How can I access a JSON file in ECMAScript 6? The following doesn't work: import config from '../config.json' This works fine if I try to import a JavaScript file.