JSFiddle - React, Tailwind, and code Playground

by Sean Coker

JavaScript

var content = [['1st title', '2nd title', '3rd title', '4th title'], ['a a a', 'bb\nb', 'cc,c', 'dd"d'], ['www', 'xxx', 'yyy', 'zzz']];

var finalVal = '';

for (var i = 0; i < content.length; i++) {
    var value = content[i];
    
    for (var j = 0; j < value.length; j++) {
        var innerValue = value[j];
        var result = innerValue.replace(/"/g, '""');
        if (result.search(/("|,|\n)/g) >= 0)
            result = '"' + result + '"';
        if (j > 0)
            finalVal += ',';
        finalVal += result;
    }
    
    finalVal += '\n';
}

var pom = document.createElement('a');
pom.setAttribute('href', 'data:text/csv;charset=utf-8,' + encodeURIComponent(finalVal));
pom.setAttribute('download', 'test.csv');
//pom.click();