<script type="text/javascript"> <!-- var a = "abc"; var b = "XYZ"; var w = a + b; document.write("a:", a, " b:", b, " w=a+b:", w, "<br>"); str = "a:" + a + " b:" + b + " w:" + w + "<br>"; document.write(str); // --> </script> |
<script type="text/javascript"> <!-- var a = "123"; var b = 45; v = a + b; w = parseInt(a) + b; x = a + b.toString(); document.write('v"a+b":', v, " : w'parseInt(a)+b':", w, ' : x"a+b.toString()":', x, "<br>"); z = parseFloat("3.14") + 1.23; document.write("z:", z, "<br>"); // --> </script> |
<!-- str = "ABC前田XYZ"; document.write("[" + str.charAt(1) + "]"); document.write("[" + str.charAt(3) + "]"); document.write("[" + str.charAt(6) + "]"); document.write("<br>", str.substring(2,6)); document.write("<br>", str.substr(2,6)); // --> |
<script type="text/javascript"> <!-- a = "23:59:59".split(":"); document.write(a[0] + "時" + a[1] + "分" + a[2] + "秒"); // --> </script> |