Show a specific div element from an external webpage within an iframe

Is it possible to showcase the content of a specific div with the ID="example" from an external page within an iframe on my website? I do not have any authority over the external page, only on my own site. The sole information I possess from that external page is the ID of the div I wish to exhibit on my website. Do you happen to have a fiddle example demonstrating this?

Answer №1

There are multiple approaches to create it, whether on the server or client side.

One method involves using NodeJS as a web crawler, you can find more information at this link.

Below is an example of utilizing NodeJS with express and cheerio for jQuery manipulation:

var url = 'YOUR_URL';

function getContentJSON(body) {
    var cheerio = require('cheerio');
    var $ = cheerio.load(body);
    var content = $('div#ID').text().trim();    
    var result = {"content": content}
    return JSON.stringify(result);
}

function requestPage(url, res) {
    var request = require('request');
    request(url, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        var json = getContentJSON(body);
        res.send(statusCodes.OK, json);
      }
    });
}

exports.get = function(request, response) {
    requestPage(url, response);
};

Answer №2

It seems like you're looking to exclusively display a specific div element on your webpage.

Unfortunately, this may not be achievable due to limitations imposed by web browsers. Simply loading the content into an iframe would restrict your ability to manipulate its DOM. While manipulating scrollbars might be a workaround, it's uncertain if such actions are feasible given these restrictions.

An alternative approach could involve utilizing AJAX to fetch the external page. However, this method typically involves cross-domain requests and necessitates CORS permissions from the external website—something that's usually not granted. One potential solution could entail setting up a proxy on your server to bypass this obstacle.

In summary, accomplishing this task through standard JavaScript alone may prove challenging. Utilizing a server-side proxy could potentially offer a viable solution instead.

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