/
page.html
58 lines (56 loc) · 1.79 KB
/
page.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Worker example: Stock ticker</title>
<script>
// TICKER
var symbol = 'GOOG'; // default symbol to watch
var ticker = new Worker('ticker.js');
// SEARCHER
var searcher = new Worker('searcher.js');
function search(query) {
searcher.postMessage(query);
}
// SYMBOL SELECTION UI
function select(newSymbol) {
symbol = newSymbol;
ticker.postMessage(symbol);
}
</script>
<meta http-equiv="Refresh" content="120; URL=../">
</head>
<body onload="search('')">
<p><output id="symbol"></output> <output id="value"></output></p>
<script>
ticker.onmessage = function (event) {
var data = event.data.split(' ');
document.getElementById('symbol').textContent = data[0];
document.getElementById('value').textContent = data[1];
};
ticker.postMessage(symbol);
</script>
<p><label>Search: <input type="text" autofocus oninput="search(this.value)"></label></p>
<ul id="results"></ul>
<script>
searcher.onmessage = function (event) {
var data = event.data.split(' ');
var results = document.getElementById('results');
while (results.hasChildNodes()) // clear previous results
results.removeChild(results.firstChild);
for (var i = 0; i < data.length; i += 1) {
// add a list item with a button for each result
var li = document.createElement('li');
var button = document.createElement('button');
button.value = data[i];
button.type = 'button';
button.onclick = function () { select(this.value); };
button.textContent = data[i];
li.appendChild(button);
results.appendChild(li);
}
};
</script>
<p>(The data in this example is not real. Try searching for "Google" or "Apple".)</p>
</body>
</html>