Sometime when console trace is put in a file if we lost where is it, this util can be usefull to locate it

console_log_file_line_call.js

function getErrorObject() {
    try {
        throw Error('')
    } catch (err) {
        return err;
    }
}
var test = console.log;
console.log = function() {
    test.apply(this, [getErrorObject().stack.split("\n")[4]].concat(arguments));

}