[英]bootstrap 5 datepicker set as default current date and dont let set a past one
我發現並重構了這段代碼以使用帶有 bootstrap 5 的日期選擇器,現在我想將當前日期設置為默認日期,但我不知道該怎么做。
這是我的代碼:
<div class="form-group">
<label for="startDate">Start</label>
<input id="startDate" class="form-control" type="date" />
</div>
和處理它的腳本
<script>
let startDate = document.getElementById('startDate')
let endDate = document.getElementById('endDate')
startDate.addEventListener('change',(e)=>{
let startDateVal = e.target.value
document.getElementById('startDateSelected').innerText = startDateVal
})
endDate.addEventListener('change',(e)=>{
let endDateVal = e.target.value
document.getElementById('endDateSelected').innerText = endDateVal
})
</script>
我如何將當前日期設置為默認日期,並且不讓用戶選擇過去的日期作為今天?
嘗試這樣的事情:
window.onload = function () {
const myDate = document.getElementById("startDate");
const today = new Date();
myDate.value = today.toISOString().slice(0, 10);
};
let startDate = document.getElementById('startDate')
startDate.addEventListener('change',(e)=>{
let startDateVal = e.target.value // returns the date in this format "2022-12-07" (YYYY-MM-DD)
// You can use new Date() and set the datepicker-value as the argument
// You can compare Date objects
// new Date() gives you a Date object with this exact moment in time
// the isBeforeThisMoment variable will hold a boolean telling if the value is before this exact moment
const isBeforeThisMoment = new Date(startDateVal) < new Date()
// Checks if it is before this moment, if it is, set the value of the datepicker to an empty string
if(isBeforeThisMoment) startDate.value = ""
// The datepicker should now indicate that no date has been picked
})
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