How to read html
How to read files in HTML
Get straight to the point:
HTML itself does not provide the ability to directly read files.
Detailed explanation:
In order to read the file content, you need to use JavaScript, a server-side language or a third-party library. Here are some common methods:
-
XMLHttpRequest: is a way to load files asynchronously without refreshing the page. Syntax:
var xhr = new XMLHttpRequest();
. -
fetch(): is a modern replacement for XMLHttpRequest with a simpler syntax. Syntax:
fetch('myFile.txt').then((response) => response.text());
. -
FileReader: Used to read local files, only available after user authorization. Syntax:
var reader = new FileReader(); reader.onload = function() { ... }; reader.readAsText('myFile.txt');
. -
Server-side languages: For example, PHP or Node.js, files can be read through file system functions. For example:
$content = file_get_contents('myFile.txt');
.
Third-party libraries:
There are also many third-party libraries that can simplify the file reading process, such as:
-
jQuery.get(): Use XMLHttpRequest to load files asynchronously. Syntax:
$.get('myFile.txt', function(data) { ... });
. -
axios: Library for making HTTP requests. Syntax:
axios.get('myFile.txt').then((response) => response.data);
. -
fs-extra: Node.js library, providing file system related functions. Syntax:
const fs = require('fs-extra'); const content = fs.readFileSync('myFile.txt');
.
Which method you choose depends on your specific needs and environment.
The above is the detailed content of How to read html. For more information, please follow other related articles on the PHP Chinese website!

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