Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

enp8266/esp8266_deauther-master/web_interface/js/site.js

@@ -0,0 +1,118 @@
+var langJson = {};
+
+function getE(name){
+	return document.getElementById(name);
+}
+
+function esc(str) {
+	if(str){
+		return str.toString()
+			.replace(/&/g, '&')
+			.replace(/</g, '&lt;')
+			.replace(/>/g, '&gt;')
+			.replace(/\"/g, '&quot;')
+			.replace(/\'/g, '&#39;')
+			.replace(/\//g, '&#x2F;');
+	}
+	return "";
+}
+
+function convertLineBreaks(str){
+	if(str){
+		str = str.toString();
+		str = str.replace(/(?:\r\n|\r|\n)/g,'<br>');
+		return str;
+	}
+	return "";
+}
+
+function showMessage(msg, closeAfter){
+	var elmt = getE("error");
+	elmt.innerHTML = esc(msg)+"<a onclick='closeMessage()' id='closeError'>x</a>";
+	
+	elmt.classList.remove('hide');
+	elmt.classList.add('show');
+
+	if(closeAfter !== undefined){
+		setTimeout(closeMessage(),closeAfter);
+	}
+}
+
+function closeMessage(){
+	var elmt = getE("error");
+	elmt.innerHTML = "";
+	elmt.classList.remove('show');
+	elmt.classList.add('hide');
+}
+
+function getFile(adr, callback, timeout, method, onTimeout, onError){
+	/* fallback stuff */
+	if(adr === undefined) return;
+	if(callback === undefined) callback = function(){};
+	if(timeout === undefined) timeout = 8000; 
+	if(method === undefined) method = "GET";
+	if(onTimeout === undefined) {
+		onTimeout = function(){
+			showMessage("ERROR: timeout loading file "+adr);
+		};
+	}
+	if(onError === undefined){
+		onError = function(){
+			showMessage("ERROR: loading file: "+adr);
+		};
+	}
+	
+	/* create request */
+	var request = new XMLHttpRequest();
+	
+	/* set parameter for request */
+	request.open(method, encodeURI(adr), true);
+	request.timeout = timeout;
+	request.ontimeout = onTimeout;
+    request.onerror = onError;
+	request.overrideMimeType("application/json");
+	
+	request.onreadystatechange = function() {
+		if(this.readyState == 4){
+			if(this.status == 200){
+				callback(this.responseText);
+			}
+		}
+	};
+	
+	/* send request */
+	request.send();
+	
+	console.log(adr);
+}
+
+function lang(key){
+	return convertLineBreaks(esc(langJson[key]));
+}
+
+function parseLang(fileStr){
+	langJson = JSON.parse(fileStr);
+	if(langJson["lang"] != "en"){// no need to update the HTML	
+		var elements = document.querySelectorAll("[data-translate]");
+		for (i = 0; i < elements.length; i++) {
+			var element = elements[i];
+			element.innerHTML = lang(element.getAttribute("data-translate"));
+		}
+	}
+        document.querySelector('html').setAttribute("lang", langJson["lang"] );
+	if(typeof load !== 'undefined') load();
+}
+
+function loadLang(){
+	var language = "default"; //navigator.language.slice(0, 2);
+	getFile("lang/" + language + ".lang", 
+		parseLang, 
+		2000,
+		"GET",
+		function(){ 
+			getFile("lang/en.lang", parseLang); 
+		}, function(){ 
+			getFile("lang/en.lang", parseLang); 
+		}
+	);
+}