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- function jsonPost(url, data) {
- return new Promise((resolve, reject) => {
- const x = new XMLHttpRequest();
- x.onerror = () => reject(new Error('jsonPost failed'))
- //x.setRequestHeader('Content-Type', 'application/json');
- x.open("POST", url, true);
- x.send(JSON.stringify(data))
- x.onreadystatechange = () => {
- if (x.readyState === XMLHttpRequest.DONE && x.status === 200){
- resolve(JSON.parse(x.responseText))
- } else if (x.status !== 200){
- reject(new Error('status is not 200'))
- }
- }
- });
- }
- const url = "http://students.a-level.com.ua:10012";
- sendButton.addEventListener('click', () => {
- let nickValue = nickInput.value;
- let messageValue = messageInput.value;
- const newPost = jsonPost(url, {
- func: 'addMessage',
- nick: nickValue,
- message: messageValue
- }
- );
- newPost.then(data => console.log(data.nextMessageId))
- });
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