thanks Adrien , my package version was
"cheerio": "^0.18.0",
"request": "^2.53.0"
i updated to your version and it's work !
On Sunday, March 29, 2015 at 6:17:53 AM UTC+4:30, Adrien Risser wrote:
>
> Ali,
>
> Here's what I did:
>
> $ npm install cheerio request
>>
>
>
>> $ npm init
>> <snip>
>>
>
>
>> $ cat package.json
>> <snip>
>> "dependencies": {
>> "cheerio": "^0.19.0",
>> "request": "^2.54.0"
>> },
>> <snip>
>>
>
>
>> $ node .
>> { [Function]
>> fn:
>> { constructor: [Circular],
>> _originalRoot:
>> { type: 'root',
>> name: 'root',
>> attribs: {},
>> children: [Object],
>> next: null,
>> prev: null,
>> parent: null } },
>> load: [Function],
>> html: [Function],
>> xml: [Function],
>> text: [Function],
>> parseHTML: [Function],
>> root: [Function],
>> contains: [Function],
>> _root:
>> { type: 'root',
>> name: 'root',
>> attribs: {},
>> children: [ [Object], [Object], [Object] ],
>> next: null,
>> prev: null,
>> parent: null },
>> _options:
>> { withDomLvl1: true,
>> normalizeWhitespace: false,
>> xmlMode: false,
>> decodeEntities: true } }
>> { [Function]
>> fn:
>> { constructor: [Circular],
>> _originalRoot:
>> { type: 'root',
>> name: 'root',
>> attribs: {},
>> ...
>>
>
> No error, maybe check your package versions.
>
> Cheers,
>
> On Sat, Mar 28, 2015 at 8:13 AM, Ali Reza <[email protected]
> <javascript:>> wrote:
>
>> I try to crawl into website pages. here my sample code , i used
>> stackoverflow just for test i dont want crawl stackoverflow.
>>
>> i this code i want get every link in page and push in an array after that
>> go to every link and search for Node (it's just test.)
>>
>> here is my code :
>>
>> var request = require('request');
>> var cheerio = require('cheerio');
>>
>>
>> var siteUrl = "
>> http://stackoverflow.com/unanswered/tagged/?page=1&tab=votes";;
>> var queue = [];
>> request(siteUrl, function(error, response, html){
>> if(!error){
>> var $ = cheerio.load(html);
>>
>> // Extract All links in page
>>
>> $('.question-summary').each(function(){
>> var url =
>> $(this).children().last().children().first().children().first().attr('href');
>> queue.push("http://stackoverflow.com"+url);
>> });
>>
>>
>> }
>> // Search For Node.js on every question.
>> var i,
>> item;
>>
>> for(i = 3; i < queue.length; i++) {
>> item = queue[i];
>> request(item, function(error, response, html){
>> var page = cheerio.load(html);
>> console.log(page);
>> });
>> }
>>
>> })
>>
>>
>> after i run this code give this error :
>>
>> typeerror cannot read property 'parent' of undefined
>>
>> i think there something wrong with cheerio , but i dont know how fix this.
>>
>> --
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>
>
>
> --
> Adrien Risser,
> Freelance Node.js Consultant
> M. +33 6 59 60 32 58
>
--
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