JavaScript五角星的相关内容

文章 2022-05-16 来自：开发者社区

利用JS输出正三角形五角星

之前我们讲了利用JS输出倒三角形五角星，那怎么才能把这个输出正三角形五角星呢？该修改哪几个参数呢？我们需要先分析一下，依然是利用双for循环来做。外面for循环控制的是行数，里面for循环控制的是每行五角星的个数。所以我们要修改里面的for循环参数即可。将需求转换为代码：<script>//打印正三角五角星varstr=''; for (vari=1; i<=10; i++) ....

文章 2022-05-16 来自：开发者社区

JS输出打印倒三角五角星

我们学会了利用JS打印五角星，现在难度升级一下，利用JS输出打印倒三角五角星，这又该怎么做呢？还是利用双for循环。外层循环一次，里面循环执行全部。这里只需要将里面的for变量j等于外面的for变量i即可，那到到底对不对呢？我们将需求转换为代码：<script>//打印倒三角五角星varstr=''; for (vari=1; i<=10; i++) { for (varj=....

文章 2022-05-16 来自：开发者社区

利用JS实现自定义输出多行多列五角星

利用JS实现自定义输出多行多列五角星该如何操作呢？还是需要用到双for循环。双for循环外层循环一次里面循环执行全部我们需要声明两个变量，一个定义行，一个定义列。下面尝试将需要转化为代码：一定要加一句换行！否则只会在一行上输出。<script>varrows=prompt('请输入行数:') varcols=prompt('请输入列数:') varstr=''; for (vari....

文章 2022-05-15 来自：开发者社区

利用JS输出多行五角星

如下图，利用JS该如何实现它呢？这里我们要用到双for循环，简单来说就是在for循环里面增加一个循环，我们先了解一下它的语法含义。 //双for循环 // 外层for循环一次，里面for循环需要执行完所有代码，里面for全部执行完，再到外层for执行。接下来尝试将需求转化为代码：注意我们需....

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更新时间 2023-04-23 15:46:51

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