Get the 500 Unit Group NOC codes from the Canadian Government site

get-all-noc-codes.js

// Requires jQuery (which is loaded on the page)
// Resource: http://www.cic.gc.ca/english/immigrate/skilled/noc.asp

// Ajax function that after successful run will return
// an array of all 500 unit group noc codes
// using the code as an index key
function GetAllNocCodes()
{
  return new Promise((resolve, reject) =>
    $.ajax({method: 'get', url: 'http://www.cic.gc.ca/english/immigrate/skilled/noc.asp', success: function(res){
      resolve(Array.prototype.slice.call($(res).find('#noc tr')).map(el=>({ [el.cells[0].innerText]: Array.prototype.slice.call(el.cells).map(c=>c.innerText)  })))
    }})
  )
}

// IMPLEMENTATION
GetAllNocCodes().then(
  data=> console.log("Your data, sir --->", data)
)