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39 lines
1.3 KiB
HTML
39 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<body>
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<h1>REST basics demo</h1>
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<div style="height: 0.3em;"> </div>
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<button id="btn1">Call F1</button>
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<button id="btn2">Call SUM(1, 2)</button>
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<div style="margin-top: 1em;">Action log:</div>
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<div id="log" style="background: #eee; height: 10em; padding: 0.5em; overflow:auto;"><div>
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</body>
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<script>
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var E = function(id) { return document.getElementById(id); };
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var btn1 = E('btn1'), btn2 = E('btn2'), msglog = E('log');
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var enable = function(en) { btn1.disabled = btn2.disabled = !en; };
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var log = text => msglog.innerHTML += text + '<br/>\n';
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enable(true);
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btn1.onclick = ev => fetch('/api/f1')
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.then(r => r.json())
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.then(r => {
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console.log(r);
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log('GET /api/f1: ' + JSON.stringify(r) + ' -> ' + JSON.stringify(r.result))
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})
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.catch(err => console.log(err));
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const getsum = (a, b) =>
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fetch('/api/sum', {method: 'POST', body:JSON.stringify([a, b])})
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.then(r => r.json())
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.catch(err => console.log(err));
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btn2.onclick = ev => getsum(1, 2)
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.then(r => {
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console.log(r);
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log('POST [1, 2] to /api/sum: ' + JSON.stringify(r) + ' -> ' + JSON.stringify(r.result))
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})
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.catch(err => console.log(err));
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</script>
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</html>
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