Created
March 25, 2019 13:27
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Medium article about WebSockets throughout Varnish - initial web client
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Products</title> | |
| </head> | |
| <body> | |
| <p>Product List:</p> | |
| <ul id="products"> | |
| </ul> | |
| <script> | |
| const httpGET = new XMLHttpRequest(); | |
| httpGET.open("GET", "http://127.0.0.1:8080/product"); | |
| httpGET.send(); | |
| httpGET.onloadend = (e) => { | |
| var products = JSON.parse(httpGET.responseText); | |
| products['products'].forEach(function(el) { | |
| existingContent = document.getElementById("products").innerHTML | |
| document.getElementById("products").innerHTML = existingContent + ("<li>" + el + "</li>"); | |
| }); | |
| } | |
| let socket = new WebSocket("ws://127.0.0.1:8080/ws") | |
| socket.onopen = () => { | |
| console.log("Successfully websocket connected") | |
| } | |
| socket.onclose = (event) => { | |
| console.log("Socket closed connection", event) | |
| } | |
| socket.onerror = (error) => { | |
| console.log("Socket error: ", error) | |
| } | |
| socket.onmessage = (msgEvent) => { | |
| console.log("Message received", msgEvent.data) | |
| existingContent = document.getElementById("products").innerHTML | |
| document.getElementById("products").innerHTML = existingContent + ("<li>" + msgEvent.data + "</li>"); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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