window.open export csv

HTML

<form>
	<input id="pressme" type="button" value="Press">
</form>

JavaScript

var test_array = [["name1", 2, 3], ["name2", 4, 5], ["name3", 6, 7], ["name4", 8, 9], ["name5", 10, 11]];
	var fname = "IJGResults";

	var csvContent = "data:text/csv;charset=utf-8,";
	$("#pressme").click(function(){
		test_array.forEach(function(infoArray, index){
			dataString = infoArray.join(",");
			csvContent += dataString+ "\n";
		});
    
    console.log(csvContent)

		var encodedUri = encodeURI(csvContent);
		window.open(encodedUri);
	});