Webusb test

External library from
https://github.com/webusb/arduino

Arduino Control by Form Submit

訊息：setm
密碼：

A javascript analog of python's range

var range=(a,b,c)=>
  {
    if(!b) b=1;
    if(!c) c=1;
    let arr=new Array(Math.floor(Math.abs(a-b)/c)+1).fill(0);
    arr=arr.map((i,ind)=>(ind*(b-a)/(arr.length-1)+a));
    return arr;
  };






for(i of range(4,2)){alert(i);}