例1:打印正方形
var showFun = function (t) {
for (var i = 1; i <= t; i++) {
for (var j = 1; j <= t; j++) {
document.write("* ");
}
document.write("<br />");
}
}
showFun(8);//匿名函数
例2:打印倒三角形
var t = 8;
for (var i = t; i > 0; i--) {
for (var j = 0; j < i; j++) {
document.write("* ");
}
document.write("<br />");
}
例3:打印倒正三角形
var t = 8;
for (var m = 1; m <= t; m++) {
for (var n = 0; n < m; n++) {
document.write("* ");
}
document.write("<br />");
}