liabru

var testObject = {
    pi: Math.PI,
    e: Math.E,
    one: 1,
    x: 1.5,
    str: "1.2345"
};
 
var places = 2,
    json = JSON.stringify(testObject, function(key, value) {

liabru

/*
* Save a text file locally with a filename by triggering a download
*/

var text = "hello world",
    blob = new Blob([text], { type: 'text/plain' }),
    anchor = document.createElement('a');

anchor.download = "hello.txt";
anchor.href = (window.webkitURL || window.URL).createObjectURL(blob);

liabru

/*
* Trigger a file open dialog and read local file, then read and log the file contents
*/

var element = document.createElement('div');
element.innerHTML = '<input type="file">';
var fileInput = element.firstChild;

fileInput.addEventListener('change', function() {
    var file = fileInput.files[0];