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link checking from snippets
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var links = document.querySelectorAll("a"); | |
var linkReport = []; | |
var linksChecked=0; | |
links.forEach(function(link){ | |
var reportLine = {url: link.getAttribute('href'), status:0, redirectedTo: "", message : "", element : link}; | |
linkReport.push(reportLine); | |
console.log("HEAD " + reportLine.url); | |
fetch(reportLine.url, { | |
method: 'HEAD', | |
mode: 'cors', | |
//mode: 'no-cors', | |
redirect: 'follow' | |
}) | |
.then(function(response) { | |
linksChecked++; | |
reportLine.status=response.status; | |
reportLine.message= response.statusText + " | " + | |
response.type + " | " + | |
(response.message || "") + " | " + | |
JSON.stringify(response.headers) ; | |
if(response.redirected){ | |
reportLine.redirectedTo = response.url; | |
} | |
console.table(response); | |
} | |
) | |
.catch(function(error){ | |
reportLine.message = error; | |
console.table(error); | |
linksChecked++; | |
}); | |
}); | |
function imgreport(links){ | |
links.forEach(function(link){ | |
if(link.status==0){ | |
// trigger error messages with status | |
// to the console for status of 0 | |
var img = new Image(); | |
img.src = link.url; | |
} | |
} | |
); | |
} | |
var finishReport = setInterval( | |
function(){if(linksChecked>=linkReport.length){ | |
console.table(linkReport); | |
imgreport(linkReport); | |
clearInterval(finishReport); | |
}} | |
, 3000); |
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The XML HTTP Request version: