console.log基本使用

console.log()是JavaScript中最基本和常用的用法之一，它可以在浏览器的控制台中打印信息。基本使用方法如下：
1. 使用console.log()打印一个变量的值：

let name = "HHHHH";
console.log(name); // HHHHH

2. 使用console.log()打印带有字符串的信息：

let name = "HHHHH";
console.log(`my name is: ${name}`); // my name is: HHHHH

3. 使用console.log()打印多个变量或值：

let name = "HHHHH";
let age = 18;
console.log(name, age); // HHHHH 18

4. 使用console.log()打印带有描述信息的变量或值：

let name = "HHHHH";
let age = 18;
console.log("message:", name, age); // message: HHHHH 18

通过console.log()方法，可以方便地在控制台中查看变量的值、输出测试信息或进行调试。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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