A function that can be used to run functions in web workers

webworkerfunc.js

// Function that can run a function supplied in a web worker
// MIT License Copyright TheGreatRambler
// Free to use
function runInWebWorker(func, argsarray, callback) {
    // func: function to use
    // argsarray: the arguments to pass
    // callback: the callback function
    var blobdata = 'var returnstatement=(' + func.toString() + ')(' + argsarray.join(",") + ');self.postMessage(returnstatement);self.close();';
    console.log(blobdata);
    var blobURL = URL.createObjectURL(new Blob([blobdata], {
        type: 'application/javascript'
    }));
    workertouse = new Worker(blobURL);
    URL.revokeObjectURL(blobURL);
    workertouse.onmessage = function(e) {
        callback(e.data);
    };
}