js for循环 写出乘法口诀

    for (var i = 1; i <= 9; i++) {
				for (var j =1 ; j <= i; j++) {
					// document.write(i+"*"+j+"="+(i*j)+"<br/>")
					if (j == i) {
						document.write(j+"*"+i+"="+(i*j)+"<br/>")
					}else{
						document.write(j+"*"+i+"="+(i*j))
					}
				}
		}