for循环

for (变量起始值；终止条件；变量变化量){ }

// 循环输出1-100
        for (let i = 1; i <= 3; i++) {
            console.log('月薪过哇')

        } 
        // 求出偶数的和
        /* let sum = 0
        for (let j = 1; j < 101; j++) {
            console.log(j)
            if (j % 2 === 0) {
                sum += j
            }
        }
        console.log(sum) */
        // 打印小心心
        /* for (let i = 0; i < 6; i++) {
            document.write('

标签：function,arr,console,函数,let,log	

From： https://www.cnblogs.com/Z2201210269/p/17824443.html