Week3-zhengxy-494495425

//正则表达式 匹配 127.0.0.1和192.168.1.101，

var re=/(\d{1,3}\.){3}\d{1,3}/g;
var str="fjskfjsl fjkdsjfkls fjklsfjlsd127.0.0.1fjksldfjafjio jfk192.168.1.101sljfs fsdjfkldsfjsklfsklffjoijfoiaf/asfjs fed jfjf jf sdjfsi jfi jafis function dd (){ }afjsdiajf iosa function abc(){} jfisjad fjsaiofjaoissfaddedfds";
resultRe=str.match(re);
console.log(resultRe);

//正则表达式 匹配 javaScript函数 function dd (){ }和function abc(){}
var fn=/function\s\w*\s?\(\s?\)\{\s?\}/g;
resultFn=str.match(fn);
console.log(resultFn);

function fn(arr1,arr2){
  var arr=[].concat(arr1,arr2);
  //var arr=arr1.join(arr2);
  console.log(arr);
}
fn([1,2,3],[4,5,6]);

function shaizi(num){
  var rd=Math.random();
  var result=Math.ceil(rd*num*6);
  console.log(result);
}
shaizi(1);
//shaizi(2);