示例:使用 console.log()
// program to write to console
// passing number
console.log(8);
// passing string
console.log('hello');
// passing variable
const x = 'hello';
console.log(x);
// passing function
function sayName() {
return 'Hello John';
}
console.log(sayName());
// passing string and a variable
const name = 'John';
console.log('Hello ' + name);
// passing object
let obj = {
name: 'John',
age: 28
}
console.log(obj);
输出
8 hello hello Hello John Hello John { age: 28, name: "John" }
console.log() 方法用于写入控制台。您可以直接将值传递到方法中,或者传递一个变量来写入控制台。