1 <script> 2 var arr = []; 3 for(var i=1;i<10;i++){ 4 arr[i] = []; 5 for(var j=1;j<=i;j++){ 6 arr[i][j] = j+"x"+i +"="+j*i; 7 } 8 } 9 for(var i in arr){ 10 for(var j in arr[i]){ 11 document.write(arr[i][j]); 12 document.write(" "); 13 } 14 document.write("<br>"); 15 } 16 17 </script>
js 九九乘法表
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