JS使用for循环实现九九乘法表数字颜色不同


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
.container{
width: 70%;
margin: 50px auto;
}
 
</style>
</head>
<body>
<div class="banben">
<div class="beijing">
 
</div>
<div class="container">
<table cellspacing="10" style="font-size: 25px;">
<script type="text/javascript">
var colors=["#ccc","#333","#369","#666","#999","963","#639","#693","#a96","#f30"];
for(var i=1; i<=9; i++){
document.write("<tr>");
for(var j=1; j<=i; j++){
document.write("<td>"+colorNUm(j)+"×"+colorNUm(i)+"="+colorNUm(i*j)+"</td>");
}
document.write("</tr>");
}
 
function colorNUm (x) {
var singles=(x+"").split("");
var html="";
for(var i=0;i<singles.length;i++){
var sz=singles[i];
html+="<span style='color:"+colors[sz]+"'>"+sz+"</span>";
}
return html;
}
</script>
</table>
</div>
</div>
</body>
</html>


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