In the table have a problem-CodePudding

Should be how to fill the empty place in

 & lt; ! DOCTYPE html> 
 
 
<meta charset="utf-8" & gt; 
  
<style type="text/CSS" & gt; 
# nianli {
Width: 880 px; 
Margin: 0 px auto; 
The text - align: center; 
The font-family: "tahoma"; 

} 

Th {
Background - color: cyan. 
Color: royalblue; 
} 

Table {
width:200px; 
height:200px; 
margin:10px; 
float:left; 
Border: # 1 px solid aa5500; 

} 

Td: first - child, td: last child {
 -color:red; 
} 

</style> 
Var year=prompt (" please enter the year: ", "2020"); 
Document. The write (getnianli (year)); 
The function getnianli (y) {
Var HTM=""; 
HTM +='& lt; Div id="nianli" & gt; '; 
For (var m=1; M & lt;=12; M++) {
HTM +='& lt; Table> '; 
HTM +='& lt; tr>   '; 
HTM +='& lt; tr>  Day & lt;/td>  A & lt;/td>  2 & lt;/td>  Three & lt;/td>  Four & lt;/td>  Five & lt;/td>  Six & lt;/td>  '; 
HTM +='& lt; tr> '; 
Var firstday=new Date (y, m - 1, 1). GetDay (); 
Var Max=new Date (y, m, 0). The getDate (); 
for (var i=0; I & lt; The firstday; I++) {
HTM +='& lt; td>  '; 
} 
For (var d=1; D & lt;=Max; D++) {
HTM +='& lt; td> '+ d + & lt;/td> '; 
If (((d + firstday) % 7==0) & amp; & d !=Max) {
HTM +='& lt;/tr>  '; 
} 
Else if (d==Max) {
Var endday=7 - (Max + firstday) % 7; 
for (var i=0; I & lt; Endday; I++) {
HTM +='& lt; td>  '; 
} 
HTM +='& lt;/tr> '
} 
} 
HTM +='& lt;/table> '; 
} 
HTM +='& lt;/div> '
Return the HTM. 
} 
</script> 
 
<body>

CodePudding user response:

 
Var year=prompt (" please enter the year: ", "2020"); 
Document. The write (getnianli (year)); 
The function getnianli (y) {
Var HTM=""; 
HTM +='& lt; Div id="nianli" & gt; '; 
For (var m=1; M & lt;=12; M++) {
HTM +='& lt; Table> '; 
HTM +='& lt; tr>   '; 
HTM +='& lt; tr>  Day & lt;/td>  A & lt;/td>  2 & lt;/td>  Three & lt;/td>  Four & lt;/td>  Five & lt;/td>  Six & lt;/td>  '; 
HTM +='& lt; tr> '; 
Var firstday=new Date (y, m - 1, 1). GetDay (); 
Var Max=new Date (y, m, 0). The getDate (); 
for (var i=0; I & lt; The firstday; I++) {
HTM +='& lt; td>  '; 
} 
For (var d=1; D & lt;=Max; D++) {
HTM +='& lt; td> '+ d + & lt;/td> '; 
If (((d + firstday) % 7==0) & amp; & d !=Max) {
HTM +='& lt;/tr>  '; 
} 
} 
Var endday=(70 - Max - firstday) % 7; 
for (var i=0; I & lt; Endday; I++) {
HTM +='& lt; td>  '; 
} 
HTM +='& lt;/tr> '; 
HTM +='& lt;/table> '; 
} 
HTM +='& lt;/div> '
Return the HTM. 
}