esercizi js

2014-11-30 18:46:24 +01:00
parent b2e9b46742
commit c30036a3bc
11 changed files with 597 additions and 27 deletions
--- a/js_9.html
+++ b/js_9.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html>
+<head lang="en">
+    <meta charset="UTF-8">
+    <title></title>
+
+    <script>
+
+        input = prompt ("Colore titolo, testo, sfondo e grandezza font");
+        var res = input.split(" ");
+        if (res[0] == "*")
+            document.writeln("<link rel=\"stylesheet\" type=\"text/css\" href=\"mystyle.css\">");
+        else {
+            document.writeln("<style>");
+
+            if (res[0]==res[1]  || res[0]==res[2] || res[1]==res[2] ){
+                res[0]="green";
+                res[1]="blue";
+                res[2]="red";
+            }
+
+
+            document.writeln("h1,h2,h3,h4,h5,h6 {color:" + res[0] + ";font-size:" + res[3] + "}");
+            document.writeln("body {background-color:" + res[2] + "}");
+            document.writeln("p {color:" + res[1] + "}");
+
+            document.writeln("</style>");
+        }
+
+
+        </script>
+
+
+</head>
+<body>
+
+
+<h1> Titolo 1</h1>
+<h2> Titolo 2</h2>
+<h3> Titolo 3</h3>
+<p>Ehi</p>
+
+
+
+<script>
+
+    h1s = document.getElementsByTagName("h1");
+    for (i = 0 ;i<h1s.length; i++)
+        h1s[i].style="font-size:3em;font-weight:bold";
+    h2s = document.getElementsByTagName("h2");
+    for (i = 0 ;i<h2s.length; i++)
+        h2s[i].style="font-size:1em";
+    h3s = document.getElementsByTagName("h3");
+    for (i = 0 ;i<h3s.length; i++)
+        h3s[i].style="font-size:1em;font-weight:bold;font-style=italic";
+
+</script>
+
+
+
+</body>
+</html>