我有一个只需要在用户从表单中选择与星期六匹配的日期时才需要运行的函数,要怎样才能实现呢?
var myDate = new Date();
function date(){
if(myDate.getDay() == 6 ){
function calc(){
//Supervisor
var extra = document.getElementById('super').value;
var pay = 1000;
var extrah = 240;
var total = pay + (extra * extrah);
document.getElementById('totalsum').value = total;
}}
这是HTML
<input type="date" name="startdate" id="date" onchange="date()">
发布于 2018-08-16 15:02:27
使用元素的value属性input作为日期:
function date() {
let timeZone = new Date().toString().match(/([A-Z]+[\+-][0-9]+)/)[1];
let chosenDate = new Date(document.getElementById("date").value + timeZone);
if (chosenDate.getDay() == 6) {
console.log("Saturday!")
} else {
console.log("Not a saturday.");
}
}
<input type="date" name="startdate" id="date" onchange="date()">
https://stackoverflow.com/questions/-100002210
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