Diff 不是 Moment.js 中的函数 [英] Diff is not a function in Moment.js
问题描述
我正在 Air Datepicker 中选择一个日期,并尝试将今天的日期与所选日期进行比较以确定天数差异.因此,例如,如果今天是 12/11/2016 并且我选择 12/20/2016,我想得到差值,即 9.
I am selecting a date in the Air Datepicker and trying to compare today's date to the selected date to determine the difference in days. So, for example, if today is 12/11/2016 and I select 12/20/2016, I want to get the difference, which is 9.
我一直遇到以下错误:end.diff 不是函数".
I keep running into the following error: "end.diff is not a function".
我已将以下代码精简为基本内容:
I've stripped the following code down to the essentials:
HTML
<form>
<input id="datereq" name="datereq" type="text" class="dateReq" value="" />
</form>
<div id="selected"></div>
JQUERY
var date = new Date(),
disabledDays = [0, 6];
$('.dateReq').datepicker({
dateFormat: 'mm/dd/yyyy',
minDate: new Date(),
language: 'en',
autoClose: true,
onRenderCell: function(date, cellType) {
if (cellType == 'day') {
var day = date.getDay(),
isDisabled = disabledDays.indexOf(day) != -1;
return {
disabled: isDisabled
};
}
},
// Display Appropriate Order Type Options
onSelect: function onSelect(fd, date) {
var now = moment(new Date()).format('MM/DD/YYYY'),
end = fd,
days = end.diff(now, 'days');
$('#selected').html('now:' + now + 'end:' + end + 'diff:' + days);
//console.log('end:' + end);
//console.log('diff:' + days);
}
});
小提琴
https://jsfiddle.net/qn530dpq/
推荐答案
onSelect 函数的第一个参数是文本形式的日期 - 而不是矩对象.尝试在表示所选日期的时刻对象上调用 diff 函数,它会起作用.此外,您还必须指定变量end",这可能是您的fd".检查一下:https://jsfiddle.net/t9suf65p/
the first argument of the onSelect function is the date as text - not a moment object. Try to call the diff function on a moment object representing the selected date and it will work. Also you'll have to specify the variable "end" which is probably your "fd". Check it out: https://jsfiddle.net/t9suf65p/
// Initialize Datepicker
var date = new Date(),
disabledDays = [0, 6];
$('.dateReq').datepicker({
dateFormat: 'mm/dd/yyyy',
minDate: new Date(),
language: 'en',
autoClose: true,
onRenderCell: function (date, cellType) {
if (cellType == 'day') {
var day = date.getDay(),
isDisabled = disabledDays.indexOf(day) != -1;
return {
disabled: isDisabled
};
}
},
// Display Appropriate Order Type Options
onSelect: function onSelect(fd, date) {
var selectedDate = moment(fd, 'MM/DD/YYYY');
var now = moment(new Date());
var days = selectedDate.diff(now, 'days');
$('#selected').html('now: ' + now.format('MM/DD/YYYY') + 'end: ' + selectedDate.format('MM/DD/YYYY') + ' diff: ' + days);
//console.log('end:' + end);
//console.log('diff:' + days);
}
});
这篇关于Diff 不是 Moment.js 中的函数的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!