[英]To allow Backspace in validating date format
在下面的Javascript代码中,我正在验证dateformat,其中的backspace和Delete键不起作用。
function AcceptDateCharacters(event, separator) {
var keyCode = event.which ? event.which : event.keyCode;
if((separator.length != 1) && (keyCode > 8 && keyCode < 45))
{
return false;
}
//lets allow digits
var expression = "^[0-9";
//lets allow the separator character
expression += separator;
//lets complete the expression
expression += "]$";
var regex = new RegExp(expression);
return AcceptRegExOnly(event, regex)
// var keyCode = event.which ? event.which : event.keyCode;
//if ((keyCode >8 && keyCode <= 45))
return true;
};
您是否只能为后退键添加if语句并删除?
function AcceptDateCharacters(event, separator) {
var keyCode = event.which ? event.which : event.keyCode;
if((separator.length != 1) && (keyCode > 8 && keyCode < 45))
{
return false;
}
// added conditional
if(keyCode == 8 || keyCode == 46){
return true;
}
//lets allow digits
var expression = "^[0-9";
//lets allow the separator character
expression += separator;
//lets complete the expression
expression += "]$";
var regex = new RegExp(expression);
return AcceptRegExOnly(event, regex)
// var keyCode = event.which ? event.which : event.keyCode;
//if ((keyCode >8 && keyCode <= 45))
return true;
};
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