javascript - Get title of a page with cheerio - Stack Overflow

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I'm trying to get the title tag of a url with cheerio. But, I'm getting empty string values. This is my code:

app.get('/scrape', function(req, res){

    url = '/';

    request(url, function(error, response, html){
        if(!error){
                        var $ = cheerio.load(html);

            var title, release, rating;
            var json = { title : "", release : "", rating : ""};

            $('title').filter(function(){
                //var data = $(this);
                var data = $(this);
                        title = data.children().first().text();            
                        release = data.children().last().children().text();

                json.title = title;
                json.release = release;
            })

            $('.star-box-giga-star').filter(function(){
                var data = $(this);
                rating = data.text();

                json.rating = rating;
            })
        }


        fs.writeFile('output.json', JSON.stringify(json, null, 4), function(err){

            console.log('File successfully written! - Check your project directory for the output.json file');

        })

        // Finally, we'll just send out a message to the browser reminding you that this app does not have a UI.
        res.send('Check your console!')
    })
});

I'm trying to get the title tag of a url with cheerio. But, I'm getting empty string values. This is my code:

app.get('/scrape', function(req, res){

    url = 'http://nrabinowitz.github.io/pjscrape/';

    request(url, function(error, response, html){
        if(!error){
                        var $ = cheerio.load(html);

            var title, release, rating;
            var json = { title : "", release : "", rating : ""};

            $('title').filter(function(){
                //var data = $(this);
                var data = $(this);
                        title = data.children().first().text();            
                        release = data.children().last().children().text();

                json.title = title;
                json.release = release;
            })

            $('.star-box-giga-star').filter(function(){
                var data = $(this);
                rating = data.text();

                json.rating = rating;
            })
        }


        fs.writeFile('output.json', JSON.stringify(json, null, 4), function(err){

            console.log('File successfully written! - Check your project directory for the output.json file');

        })

        // Finally, we'll just send out a message to the browser reminding you that this app does not have a UI.
        res.send('Check your console!')
    })
});

• javascript
• node.js
• express
• cheerio

Share Improve this question Follow asked Apr 27, 2014 at 17:25 Filipe FerminianoFilipe Ferminiano 8,7912727 gold badges113113 silver badges180180 bronze badges 1

• You are not handling the if (err) case make sure you add this and check if thats the case of error. – Risto Novik Commented Apr 27, 2014 at 19:19

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2 Answers 2

Sorted by: Reset to default 24

request(url, function (error, response, body) 
{
  if (!error && response.statusCode == 200) 
  {
    var $ = cheerio.load(body);
    var title = $("title").text();
  }
})

Using Javascript we extract the text contained within the "title" tags.

If Robert Ryan's solution still doesn't work, I'd be suspicious of the formatting of the original page, which may be malformed somehow.

In my case I was accepting gzip and other compression but never decoding, so Cheerio was trying to parse compressed binary bits. When console logging the original body, I was able to spot the binary text instead of plain text HTML.

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