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@@ -0,0 +1,77 @@
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+
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+var nick=document.getElementById('nick')
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+var message=document.getElementById('message')
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+var button=document.getElementById('button')
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+var chat=document.getElementById('chat')
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+
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+button.onclick=function(elem){
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+ function jsonPost(url, data)
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+ {
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+ return new Promise((resolve, reject) => {
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+ var newRequest = new XMLHttpRequest();
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+ newRequest.onerror = () => reject(new Error('jsonPost failed'))
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+ //x.setRequestHeader('Content-Type', 'application/json');
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+ newRequest.open("POST", url, true);
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+ newRequest.send(JSON.stringify(data))
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+
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+ newRequest.onreadystatechange = () => {
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+ if (newRequest.readyState == XMLHttpRequest.DONE && newRequest.status == 200){
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+ resolve(JSON.parse(newRequest.responseText))
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+ }
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+ else if (newRequest.status != 200){
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+ reject(new Error('status is not 200'))
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+ }
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+ }
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+ })
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+ }
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+ jsonPost("http://students.a-level.com.ua:10012", {
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+ func:"addMessage",
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+ nick:nick.value,
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+ message:message.value,
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+ })
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+
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+
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+
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+ var mess = function(){
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+ var messages = {};
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+ messages = jsonPost("http://students.a-level.com.ua:10012", {
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+ func: "getMessages",
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+ messageid: messages.length
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+ }).then(a => {
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+ console.log(a)
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+ for (q = 0; q < a.data.length; q++) {
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+ var chatik = document.getElementById("chat")
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+ var abzac = document.createElement("p")
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+
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+ abzac.innerHTML = a.data[q].nick + "----" + a.data[q].message
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+ // abzac.style.backgroundColor = "green";
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+ chatik.appendChild(abzac)
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+
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+
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+ }
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+ var nextId = a.nextMessageId
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+ console.log(nextId + "a111")
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+ console.log(a.data.length)
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+ setInterval(function() {
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+ var messages = jsonPost("http://students.a-level.com.ua:10012", {
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+ func: "getMessages",
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+ messageid: nextId
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+ }).then(newFunc => {
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+ for (q = a.data.length; q < newFunc.data.length; q++) {
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+ var chatik = document.getElementById("chat")
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+ var abzac = document.createElement("p")
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+ abzac.innerHTML = newFunc.data[q].nick + "----" + newFunc.data[q].message
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+ chatik.appendChild(abzac)
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+
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+ }
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+ nextId = newFunc.nextMessageId
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+ console.log(nextId + "a222")
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+ console.log(newFunc.data.length)
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+ })
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+
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+
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+ }, 2000);
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+ })
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+}
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+mess()
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+}
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