CODEWITHSUNDEEP
javascripthtmldomweb-scrapingmetadata
anderssinho
anderssinho

Reputation: 298

Having information in a meta-tag that I need to extract in javascript

Like the title says, I have a meta-tag that I need to scrape of some information. Link It's from this site I'm trying to extract the author affiliation from. And that information can I find in the using google development tools with this line of code:

document.getElementsByName('citation_author_institution')

Then I get back what I believe is a array of elements or nodes that looks like this:

[<meta name=​"citation_author_institution" content=​"Columbia University, New York">​, <meta name=​"citation_author_institution" content=​"Columbia University, New York">​, <meta name=​"citation_author_institution" content=​"Columbia University, New York">​]

Now I need to just access the content and saving it an array so I can put it in my database. I have tried with stuff like 

document.getElementsByName('citation_author_institution').textContent
document.getElementsByName('citation_author_institution').getAttribute('content')

But that doesnt work. Anyone have any idea or tip for me how to do this?

Upvotes: 0

Views: 106

Answers (2)

LUIS PEREIRA
LUIS PEREIRA

Reputation: 488

You are very close. What you need to do is to iterate through the list of nodes:

    var elements = document.getElementsByName('citation_author_institution')
    var contents = []

    for (var i = 0; i < elements.length; i++) {
        contents.push(elements[i].content);
    }

    console.log(contents)

So, contents will be your list of contents. Example here https://jsfiddle.net/o3Lzm4ca/

Upvotes: 2

user1748429
user1748429

Reputation: 65

var authors = [];
var elements = document.getElementsByName('citation_author_institution');
for (var i=0; i<elements.length; i++){
    authors.push(elements[i].content);
}
console.log(authors)

Upvotes: 1

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