1949
var date = new Date();
var y = date.getFullYear()
function chooseYear1() {
for (let i = 1949; i<=y; i ++) {
let start = document.getElementById("start");
let year = Number(start.lastElementChild.innerHTML) + 1;
var myOption = document.createElement("option");
myOption.innerHTML = year;
start.appendChild(myOption);
}
}
chooseYear1();
function chooseYear2() {
//如果你想让起始年份下拉框和结束年份下拉框都显示从1949至今的年份,那么写同样的循环即可:
let end = Number($("#start").find("option:selected").val());
let start = document.getElementById("end");
start.firstElementChild.innerHTML=end;
var myOption = document.createElement("option");
for (let i = end; i<=y; i ++) {
let start = document.getElementById("end");
let year = Number(start.lastElementChild.innerHTML) + 1;
var myOption = document.createElement("option");
myOption.innerHTML = year;
start.appendChild(myOption);
}
}
