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Code for a digital puzzle game written in JS [learning reference]

Source: Internet
Author: User
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CopyCode The Code is as follows: <HTML>

<Head>

<Title> puzzle </title>
<Style>
TD. numtd {
Width: 20px;
Height: 20px;
}

Div. numdiv {
Width: 100%;
Height: 100%;
Background-color: #000;
Color: # FFF;
Text-align: center;
Vertical-align: middle;
}
</Style>

<SCRIPT>
VaR currpos = 9;
Function move (event ){
Switch (event. keycode ){
Case 37:
// Left click
If (currpos % 3! = 0 ){
VaR currtd = Document. getelementbyid ("numtd _" + currpos );
VaR nexttd = Document. getelementbyid ("numtd _" + (currpos + 1 ));
VaR temp = nexttd. innerhtml;
Nexttd. innerhtml = "";
Currtd. innerhtml = temp;
Currpos ++;
}
Break;
Case 38:
// Press
If (currpos <7 ){
VaR currtd = Document. getelementbyid ("numtd _" + currpos );
VaR nexttd = Document. getelementbyid ("numtd _" + (currpos + 3 ));
VaR temp = nexttd. innerhtml;
Nexttd. innerhtml = "";
Currtd. innerhtml = temp;
Currpos + = 3;
}
Break;
Case 39:
// Right-click
If (currpos % 3! = 1 ){
VaR currtd = Document. getelementbyid ("numtd _" + currpos );
VaR nexttd = Document. getelementbyid ("numtd _" + (currpos-1 ));
VaR temp = nexttd. innerhtml;
Nexttd. innerhtml = "";
Currtd. innerhtml = temp;
Currpos --;
}
Break;
Case 40:
// Down key
If (currpos> 3 ){
VaR currtd = Document. getelementbyid ("numtd _" + currpos );
VaR nexttd = Document. getelementbyid ("numtd _" + (currpos-3 ));
VaR temp = nexttd. innerhtml;
Nexttd. innerhtml = "";
Currtd. innerhtml = temp;
Currpos-= 3;
}
Break;
Default:
Break;
}

If (iswin ()){
Alert ("congratulations, pass! ");
Initnums ();
}

}

Function iswin (){
For (I = 1; I <9; I ++ ){
VaR numtd = Document. getelementbyid ("numtd _" + I );
VaR numdiv = numtd. getelementsbytagname ("Div ");
If (I! = Numtd. innertext ){
Return false;
}
}
Return true;

}

Function initnums (){
VaR numarr = new array (1, 2, 3, 4, 5, 6, 7, 8, 9 );
VaR newnewnumarr = new array ();

Do {
VaR tempstr = "";
For (I in numarr ){
VaR flag = true;
Do {
Tempnum = numarr [parseint (math. Random () * 100) % 9];
If (tempstr. Search (tempnum) =-1 ){
Newnumarr [I] = tempnum;
Tempstr + = tempnum;
Flag = false;
}
}
While (FLAG );
}
} While (invernum (newnumarr) % 2 = 0 );

VaR Len = newnumarr. length;
For (j = 0; j <Len; j ++ ){
If (newnumarr [J]! = 9 ){
Document. getelementbyid ("numtd _" + (J + 1 )). innerhtml = "<Div id = 'numdiv _" + newnumarr [J] + "'class = 'numdiv '>" + newnumarr [J] + "</div> ";
}
Else {
Document. getelementbyid ("numtd _" + (J + 1). innerhtml = "";
Currpos = J + 1;
}
}

// Document. getelementbyid ("output"). innertext = newnumarr;
}

Function invernum (numarr ){
VaR Len = numarr. length;
VaR COUNT = 0;
For (I = 0; I <len-1; I ++ ){
For (j = I + 1; j <Len; j ++ ){
If (numarr [J]> numarr [I]) {
Count ++;
}
}
}
// Alert ("reverse order:" + count );
Return count;
}
</SCRIPT>

</Head>

<Body onkeyup = "move (event);" onLoad = "initnums ();">
<Table align = "center">
<Tr>
<TD id = "numtd_1" class = "numtd">
</TD>
<TD id = "numtd_2" class = "numtd">
</TD>
<TD id = "numtd_3" class = "numtd">
</TD>
</Tr>
<Tr>
<TD id = "numtd_4" class = "numtd">
</TD>
<TD id = "numtd_5" class = "numtd">
</TD>
<TD id = "numtd_6" class = "numtd">
</TD>
</Tr>
<Tr>
<TD id = "numtd_7" class = "numtd">
</TD>
<TD id = "numtd_8" class = "numtd">
</TD>
<TD id = "numtd_9" class = "numtd">
</TD>
</Tr>
</Table>
<Table>
<Tr>
<TD id = "output"> </TD>
</Tr>
</Table>
</Body>

</Html>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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