JavaScript object to CSV

tocsv.js

/**
* Converts a value to a string appropriate for entry into a CSV table.  E.g., a string value will be surrounded by quotes.
* @param {string|number|object} theValue
* @param {string} sDelimiter The string delimiter.  Defaults to a double quote (") if omitted.
*/
function toCsvValue(theValue, sDelimiter) {
	var t = typeof (theValue), output;

	if (typeof (sDelimiter) === "undefined" || sDelimiter === null) {
		sDelimiter = '"';
	}

	if (t === "undefined" || t === null) {
		output = "";
	} else if (t === "string") {
		output = sDelimiter + theValue + sDelimiter;
	} else {
		output = String(theValue);
	}

	return output;
}

/**
* Converts an array of objects (with identical schemas) into a CSV table.
* @param {Array} objArray An array of objects.  Each object in the array must have the same property list.
* @param {string} sDelimiter The string delimiter.  Defaults to a double quote (") if omitted.
* @param {string} cDelimiter The column delimiter.  Defaults to a comma (,) if omitted.
* @return {string} The CSV equivalent of objArray.
*/
function toCsv(objArray, sDelimiter, cDelimiter) {
	var i, l, names = [], name, value, obj, row, output = "", n, nl;

	// Initialize default parameters.
	if (typeof (sDelimiter) === "undefined" || sDelimiter === null) {
		sDelimiter = '"';
	}
	if (typeof (cDelimiter) === "undefined" || cDelimiter === null) {
		cDelimiter = ",";
	}

	for (i = 0, l = objArray.length; i < l; i += 1) {
		// Get the names of the properties.
		obj = objArray[i];
		row = "";
		if (i === 0) {
			// Loop through the names
			for (name in obj) {
				if (obj.hasOwnProperty(name)) {
					names.push(name);
					row += [sDelimiter, name, sDelimiter, cDelimiter].join("");
				}
			}
			row = row.substring(0, row.length - 1);
			output += row;
		}

		output += "\n";
		row = "";
		for (n = 0, nl = names.length; n < nl; n += 1) {
			name = names[n];
			value = obj[name];
			if (n > 0) {
				row += ","
			}
			row += toCsvValue(value, '"');
		}
		output += row;
	}

	return output;
}

This code is does not produce correct csvs. It does not use the column delimiter (only for the first row) and does not escape the value if it contains the sDelimiter. Here is my fixed version with hardcoded sdelimiter to ": https://gist.github.com/bhelm/0c3800359c73e2797e3fc545b1676aed