Regular verification method that can only have two digits after the decimal point
- 2021-07-24 09:45:04
- OfStack
Clear as long as there is the third place
<input type="text" onkeyup="value=value.replace(/\.\d{2,}$/,value.substr(value.indexOf('.'),3))" />
jquery validate Verification:
jQuery.validator.addMethod("lrunlv", function(value, element) {
return this.optional(element) || /^\d+(\.\d{1,2})?$/.test(value);
}, " Decimal places cannot exceed 3 Bit ");
//Verify the number of digits after the decimal point
jQuery.validator.addMethod("decimals", function(value, element,d){
var a = value.indexOf(".")+1;
if(a==0){
a=value.length;
}
var b = value.length;
var c = b-a;
return this.optional(element) || c<=d;
});