SOURCE

// 生成指定个数的随机数组
const generateArr = (num =10) => {
    let arr = []
    for(let i = 0; i < num; i++) {
        let item = Math.floor(Math.random()* (num+1))
        arr.push(item)
    }
    return arr
}
console.log(generateArr())
// 生成指定个数的元素x轴坐标
const generateArrPosX = (n= 10, w = 6, m = 6) => {
    let pos = []
    for(let i = 0; i< n; i++) {
        let item = (w + m) * i
        pos.push(item)
    }
    return pos
    }
console.log(generateArrPosX())