console.log( "string" ) 不是在 JavaScript 中打印在两个 for 循环之外吗？

Question

for (var i = 4; i <= 4; --i) {
var str = "";
for (var j = 4; j <= 4; --j) {
str = str + " " + j;
}
console.log(str);
}
//why below line is not printing in console?[enter image description here][1]
console.log("another Pattern");
for (var k = 4; k >= 1; ++k) {
var str = "";
for (var l = 4; l <= 1; ++l) {
str = str + "" + k;
}
console.log(str);
}

Answer 1

您在上面创建了两个无限循环。计数变量i和j总是满足等于或小于4的条件。永远无法到达注释下方的控制台输出行。