Originhelpertoolshtml

// File upload handler document.getElementById("jsonLoader")?.addEventListener("change", function(e) const file = e.target.files[0]; if (!file) return; const reader = new FileReader(); reader.onload = function(evt) try const imported = JSON.parse(evt.target.result); if (Array.isArray(imported)) originDataset = imported; renderDataGrid(); else throw new Error("Not an array"); catch (err) alert("Invalid JSON file. Must contain an array of origin objects.");

<h3>Data Editor</h3> <div id="dataGrid"></div> </div> originhelpertoolshtml

<button onclick="exportToCSV()">Export Cleaned Data</button> Let’s construct a minimal but functional version. This example will load a sample origin dataset (list of server locations), display it, allow edits, and export the result. Step 1: HTML Scaffolding Create a file named originhelpertools.html and add the basic structure. // File upload handler document

function exportToJSON() const dataStr = JSON.stringify(originDataset, null, 2); const blob = new Blob([dataStr], type: "application/json" ); const url = URL.createObjectURL(blob); const a = document.createElement("a"); a.href = url; a.download = "cleaned_origins.json"; a.click(); URL.revokeObjectURL(url); Step 1: HTML Scaffolding Create a file named