Export JSON to file using javascript

// Set export button
var exportButton = document.getElementById('button-export');

var dataStr = JSON.stringify(localLinks);
var dataUri = 'data:application/json;charset=utf-8,' + encodeURIComponent(dataStr);
var exportFileDefaultName = 'data.json';

exportButton.setAttribute('href', dataUri);
exportButton.setAttribute('download', exportFileDefaultName);