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-rw-r--r--tutorial/converter.html15
1 files changed, 15 insertions, 0 deletions
diff --git a/tutorial/converter.html b/tutorial/converter.html
new file mode 100644
index 00000000..dca1190c
--- /dev/null
+++ b/tutorial/converter.html
@@ -0,0 +1,15 @@
+<script>
+function convert() {
+  var n = parseInt(document.getElementById('input').value);
+  if (isNaN(n))
+    document.getElementById('result').innerHTML = "not a number";
+  else
+    document.getElementById('result').innerHTML = "0x" + n.toString(16);
+  event.preventDefault();
+}
+</script>
+<body style='font-size:200%'>
+<form style='margin:5em' onSubmit='convert()'>
+<input style='width:4em; font-size:100%' type='text' id='input'/> <input type='submit' style='width=6em; font-size:100%' value='convert'> = <span id='result' style='display:inline-block; min-width:4em; border-bottom:1px solid; text-align: right'></span>
+</form>
+</body>