Cross-domain (AJAX) CrossRef

cross-domain-crossref-alt.js

doiCites = {};

function doiInfo(doi) {
    var doienc = encodeURIComponent(doi);
    var doiXHR;
    window.XMLHttpRequest ? doiXHR=new XMLHttpRequest() : doiXHR=new ActiveXObject("Microsoft.XMLHTTP");

    doiXHR.addEventListener('load', function(){
      if (doiXHR.readyState==4 && doiXHR.status==200){
        var doi_resp = JSON.parse(doiXHR.responseText)[0];
        var authors = doi_resp.fullCitation.replace(/, \d{4}, .*$/, '')
          .split(',');
        var auths = authors.length;
        if (auths == 1) {
            var auth_str = authors[0];
        } else if (auths == 2) {
            var auth_str = authors.join(' &');
        } else if (auths == 3) {
            var auth_str = authors[0] + ',' + authors[1] + ' &' + authors[2];
        } else if (auths > 3) {
            var auth_str = authors[0] + ' et al.';
        } else break; // don't accept author-less entries
        var doi_cite = auth_str
          + ' ('
          + doi_resp.year
          + ') '
          + doi_resp.title;
        
        doiCites[doi] = doi_cite;
      }
    });

    doiXHR.open('GET', 'http://search.crossref.org/dois?q=' + doienc, true);
    doiXHR.send();
}

// doiInfo('10.1002/bies.201000071');
// doiCites['10.1002/bies.201000071']

cross-domain-crossref.js

doiTitles = {};

function stripHTML(str)
{
    var tmp = document.createElement("DIV");
    tmp.innerHTML = str;
    return tmp.textContent || tmp.innerText || "";
}

function doiInfo(doi) {
    var doienc = encodeURIComponent(doi);
    var doiXHR;
    window.XMLHttpRequest ? doiXHR=new XMLHttpRequest() : doiXHR=new ActiveXObject("Microsoft.XMLHTTP");

    doiXHR.addEventListener('load', function(){
      if (doiXHR.readyState==4 && doiXHR.status==200){
        var doi_resp = JSON.parse(doiXHR.responseText)[0];
        var doi_title = stripHTML(doi_resp.fullCitation)
          .replace(/, \d{4}, '/, ' (' + doi_resp.year + ') ')
          .replace(/', /, '. ')
          .replace(/, vol\. /, ', ')
          .replace(/, no\. /, ', ')
          .replace(/, pp\. /, ', ')
          .replace(/, p\. /, ', ');
        doiTitles[doi] = doi_title;
      }
    });

    doiXHR.open('GET', 'http://search.crossref.org/dois?q=' + doienc, true);
    doiXHR.send();
}

// doiInfo('10.1002/bies.201000071');
// doiTitles['10.1002/bies.201000071']