Chèn đoạn JavaScrip sau vào sau <Head>.....</HEAD>
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<HEAD>
<SCRIPT>
LastOper = '';
TempVal = 0;
NewNum = 'Y';
Memval = 0;
Dotused = "N";
Curroption = 4;
Maxoption = 19;
FirstinXonY = '';
Statelements = [0];
n = 0;
Ave = 0;
Max = 1.1111111234;
Min = 1.1111111234;
Dummymaxmin = 1.1111111234;
Sum = 0;
additionalfunctions = ["x^2", "2^x", "x^y", "x^3", " n! ", "Log", " Pi ", " h ", "Tan", "Cot", "Sin", "Cos", "Add", "Sum", "Ave", "Max", "Min", " n ", "Clr St", "Sta"];
function backspace()
{
strlen = document.calc.Results.value.length;
if (strlen > 1 && document.calc.Results.value != "0."){document.calc.Results.value = document.calc.Results.value.substring(0,strlen-1);}
document.calc.EQ.focus();
}
function Onediv()
{
if (document.calc.Results.value == '0.')
{
document.calc.Results.value = "Can't Devide By 0";
}
else
{
document.calc.Results.value = 1 / document.calc.Results.value;
NewNum = "Y";
}
document.calc.EQ.focus();
}
function MoreOptions()
{
if (Curroption > Maxoption) {Curroption = 0;}
document.calc.opt1.value = additionalfunctions[Curroption++];
if (Curroption > Maxoption) {Curroption = 0;}
document.calc.opt2.value = additionalfunctions[Curroption++];
if (Curroption > Maxoption) {Curroption = 0;}
document.calc.opt3.value = additionalfunctions[Curroption++];
if (Curroption > Maxoption) {Curroption = 0;}
document.calc.opt4.value = additionalfunctions[Curroption++];
document.calc.EQ.focus();
}
function Advfunction(Pos)
{
Pos += Curroption;
Pos -= 4;
if (Pos < 0) {Pos = Maxoption + Pos;}
if (Pos == 0) {document.calc.Results.value *= document.calc.Results.value;}
if (Pos == 1) {
Temp = 1;
for (var I = 0 ;I < document.calc.Results.value; I++)
{
Temp *= 2;
}
document.calc.Results.value = Temp;
}
if (Pos == 2) {
if (FirstinXonY == '')
{
FirstinXonY = document.calc.Results.value;
}
else
{
Temp = FirstinXonY;
for (var I = 1 ;I < document.calc.Results.value; I++)
{
Temp *= FirstinXonY;
}
document.calc.Results.value = Temp;
FirstinXonY = '';
}
}
if (Pos == 4){Temp = 0; for (var I = 1; I <= document.calc.Results.value;I++) {Temp += I} document.calc.Results.value = Temp;}
if (Pos == 6){document.calc.Results.value = 3.14159265359;}
if (Pos == 12)
{
Statelements[++n] = document.calc.Results.value;
Expres = "Sum = + +" + Sum + " + " + "+" + document.calc.Results.value;
eval(Expres);
Ave = Sum/n;
Max = 1 * Max;
Min = 1 * Min;
if (Max < document.calc.Results.value || Max == Dummymaxmin) {Max = document.calc.Results.value;}
if (Min > document.calc.Results.value || Min == Dummymaxmin) {Min = document.calc.Results.value;}
}
if (Pos == 13){document.calc.Results.value = Sum;}
if (Pos == 14){document.calc.Results.value = Ave;}
if (Pos == 15){if (n > 0) {document.calc.Results.value = Max;}}
if (Pos == 16){if (n > 0) {document.calc.Results.value = Min;}}
if (Pos == 17){document.calc.Results.value = n;}
if (Pos == 18 )
{
Statelements = [0];
n = 0;
Ave = 0;
Max = 1.1111111234;
Min = 1.1111111234;
Dummymaxmin = 1.1111111234;
Sum = 0;
}
if (Pos == 19)
{
if (n > 0)
{
myWindow = window.open("", "newwin", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width=200,height=180,left=400,top=300");
myWindow.document.open();
myWindow.document.write("<HTML><HEAD>");
myWindow.document.write("<TITLE>Statistics</TITLE>");
myWindow.document.write("</HEAD><FORM><BODY BGCOLOR=#FFFFFF TEXT=black>\n<CENTER>");
myWindow.document.write("<TABLE ALIGN=CENTER>");
myWindow.document.write("<TR><TD><B>n</B></TD><TD>: " , n , "</TD></TR>");
myWindow.document.write("<TR><TD><B>Sum</B></TD><TD>: ", Sum, "</TD></TR>");
myWindow.document.write("<TR><TD><B>Ave</B></TD><TD>: ", Ave, "</TD></TR>");
myWindow.document.write("<TR><TD><B>Max</B></TD><TD>: ", Max, "</TD></TR>");
myWindow.document.write("<TR><TD><B>Min</B></TD><TD>: ", Min, "</TD></TR>");
myWindow.document.write("</TABLE>");
myWindow.document.write(" <BR><INPUT TYPE='SUBMIT' VALUE='OK' onClick='window.close()'</FORM>\n</CENTER>");
myWindow.document.write("</BODY></HTML>");
myWindow.document.close();
}
else
{
myWindow = window.open("", "newwin", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width=200,height=180,left=400,top=300");
myWindow.document.open();
myWindow.document.write("<HTML><HEAD>");
myWindow.document.write("<TITLE> No Statistics</TITLE>");
myWindow.document.write("</HEAD><FORM><BODY BGCOLOR=#FFFFFF TEXT=BLACK>\n<CENTER>");
myWindow.document.write("<U><B>No Statistics</B></U><BR><BR>You did not add any item<BR>to the statistics<BR>To add items, use The<BR>'Add' Button");
myWindow.document.write("<BR><BR><INPUT TYPE='SUBMIT' VALUE='OK' onClick='window.close()'</FORM></CENTER>");
myWindow.document.write("</BODY></HTML>");
myWindow.document.close();
}
}
NewNum = 'Y';
}
function SQRT()
{
document.calc.Results.value = sqrt( document.calc.Results.value);
NewNum = "Y";
document.calc.EQ.focus();
}
function Percent()
{
document.calc.Results.value *= TempVal / 100;
Dotused = "N";
NewNum = "Y";
document.calc.EQ.focus();
}
function Oper(OP)
{
if (LastOper == "+")
{
num1 = document.calc.Results.value;
Command = eval ("'+' + num1 + '+' + TempVal");
document.calc.Results.value= eval (Command);
}
if (LastOper == "-")
{
num1 = document.calc.Results.value;
Command = "(document.calc.Results.value = TempVal - num1)";
eval (Command);
}
if (LastOper == "*")
{
num1 = document.calc.Results.value;
Command = "(document.calc.Results.value = TempVal * num1)";
eval (Command);
}
if (LastOper == "/")
{
if (document.calc.Results.value == '0.')
{
document.calc.Results.value = "Can't Devide By 0";
}
else
{
num1 = document.calc.Results.value;
Command = "(document.calc.Results.value = TempVal / num1)";
eval (Command);
}
}
if (OP != "=")
{
document.calc.oper.value = " " + OP;
}
else
{
document.calc.oper.value ="";
}
NewNum = "Y";
LastOper = OP;
TempVal = document.calc.Results.value ;
document.calc.EQ.focus();
FirstinXonY = '';
}
function Analyzethis(Key)
{
if (Key >= "0" && Key <= "9" )
{
Digit(Key);
}
if (Key == "*" || Key == "-" || Key == "\\" || Key == "+" || Key == "=")
{
Oper(Key);
}
document.calc.EQ.focus();
}
function Memory(Mode)
{
if (Mode == "Clear")
{
document.calc.Mem.value="";
Memval = 0;
}
if (Mode == "Set")
{
document.calc.Mem.value = "M";
Memval = document.calc.Results.value;
}
if (Mode == "Add")
{
document.calc.Mem.value = "M";
Command = eval("'+' + document.calc.Results.value + '+' + Memval");
Memval = eval (Command);
}
if (Mode == "Read")
{
document.calc.Results.value = Memval;
NewNum = "Y";
}
document.calc.EQ.focus();
}
function Dot()
{
if (NewNum == "Y")
{
document.calc.Results.value = "0.";
Dotused = "Y";
NewNum = "N";
}
if (Dotused == "N")
{
document.calc.Results.value += ".";
Dotused = "Y";
}
document.calc.EQ.focus();
}
function Changesign()
{
document.calc.Results.value *= -1;
document.calc.EQ.focus();
}
function Digit(DG)
{
if (NewNum == "Y")
{
document.calc.Results.value=DG;
Dotused = "N";
}
else
{
document.calc.Results.value= document.calc.Results.value + DG;
}
if (document.calc.Results.value == '0')
{
document.calc.Results.value = '0.'
}
else
{
NewNum = "N";
}
document.calc.EQ.focus();
}
function Clear (Type)
{
document.calc.Results.value = '0.';
NewNum = 'Y';
if (Type == "ALL")
{
document.calc.oper.value ="";
LastOper = '';
TempVal = 0;
}
document.calc.EQ.focus();
}
</SCRIPT>
</HEAD>
<BODY onLoad="document.calc.EQ.focus()">
<CENTER>
<FORM NAME=calc>
<BR>
<TABLE border=5>
<TR>
<TD COLSPAN = 6><INPUT TYPE = Text NAME=Results size=19 VALUE = '0.' align=right onFocus="this.blur()" >
<INPUT TYPE = text NAME=oper size=1 VALUE = '' align=center onFocus="this.blur()">
</TD>
</TR>
<TR>
<TD align=center><INPUT TYPE = TEXT MAXLENGTH=1 SIZE=1 NAME=Mem onFocus="this.blur()"></TD>
<TD COLSPAN = 2 align=center> <INPUT TYPE=button VALUE='BkSp' onClick="backspace()"></TD>
<TD COLSPAN = 2 align=center> <INPUT TYPE=button VALUE=' CE ' onClick="Clear('Res')"></TD>
<TD COLSPAN = 1 align=center> <INPUT TYPE=button VALUE=' C ' onClick="Clear('ALL')"></TD>
</TR>
<TR>
<TD align=center><INPUT TYPE = button VALUE='MC' onClick="Memory('Clear')"></TD>
<TD align=center><INPUT TYPE = button VALUE=' 7 ' onClick="Digit(7)" NAME='D7'></TD>
<TD align=center><INPUT TYPE = button VALUE=' 8 ' onClick="Digit(8 )" NAME='D8'></TD>
<TD align=center><INPUT TYPE = button VALUE=' 9 ' onClick="Digit(9)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' / ' onClick=" Oper('/') "></TD>
<TD align=center><INPUT TYPE = button VALUE='sqr' onClick="SQRT()"></TD>
</TR>
<TR>
<TD align=center><INPUT TYPE = button VALUE='MR' onClick="Memory('Read')" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 4 ' onClick="Digit(4)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 5 ' onClick="Digit(5)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 6 ' onClick="Digit(6)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' * ' onClick=" Oper('*')"></TD>
<TD align=center><INPUT TYPE = button VALUE=' % ' onClick="Percent()"></TD>
</TR>
<TR>
<TD align=center><INPUT TYPE = button VALUE='MS' onClick="Memory('Set')" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 1 ' onClick="Digit(1)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 2 ' onClick="Digit(2)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' 3 ' onClick="Digit(3)" ></TD>
<TD align=center><INPUT TYPE = button VALUE=' - ' onClick="Oper('-')" ></TD>
<TD align=center><INPUT TYPE = button VALUE='1/x' onClick="Onediv()"></TD>
</TR>
<TR>
<TD align=center><INPUT TYPE = button VALUE='M+' onClick="Memory('Add')"></TD>
<TD align=center><INPUT TYPE = button VALUE=' 0 ' onClick="Digit(0)" ></TD>
<TD align=center><INPUT TYPE = button VALUE='+/-' onClick="Changesign()"></TD>
<TD align=center><INPUT TYPE = button VALUE=' . ' onClick="Dot()"></TD>
<TD align=center><INPUT TYPE = button VALUE=' +' onClick=" Oper('+') " ></TD>
<TD align=center><INPUT TYPE = button VALUE=' = ' onClick=" Oper('=')" NAME='EQ' onKeypress="Analyzethis('1')" ></TD>
</TR>
</TABLE>
<INPUT TYPE=button NAME=addfeatures VALUE="More Options" onClick="MoreOptions()">
<TABLE border=0>
<TD> </TD>
<TD>
<TABLE border=4>
<TR>
<TD><INPUT TYPE = button VALUE="x^2" NAME=opt1 onClick="Advfunction(0)" onFocus="document.calc.EQ.focus()"></TD>
<TD><INPUT TYPE = button VALUE="2^x" NAME=opt2 onClick="Advfunction(1)" onFocus="document.calc.EQ.focus()"></TD>
<TD><INPUT TYPE = button VALUE="x^y" NAME=opt3 onClick="Advfunction(2)" onFocus="document.calc.EQ.focus()"></TD>
<TD><INPUT TYPE = button VALUE="x^3" NAME=opt4 onClick="Advfunction(3)" onFocus="document.calc.EQ.focus()"></TD>
</TR>
</TABLE>
</TD>
<TD> </TD></TR>
</TABLE>
</CENTER>
</FORM>
<p><center>
<p></p>
</center><p>
Lang_Du
MyThai_XNK@yahoo.com
Tiêu đề: JavaScrip nhúng vào web 
Fri Jun 20, 2008 10:22 pm
