一般写法
var caiyy function(){
//code
}
var caiyy = () => {
//code
}
带参数写法
var caiyy function(a,b){
//code
}
var caiyy = (a,b) => {
//code
}
var caiyy function(){
//code
}
var caiyy = () => {
//code
}
var caiyy function(a,b){
//code
}
var caiyy = (a,b) => {
//code
}