The pattern attribute, when specified is a regular expression which the input value must match the value of pass constraint validation it must be a valid JavaScript regular expression as used by the reg exp type.The pattern attribute specifies a regular expression form control’s value should match. If a non-null value doesn’t conform to the constraints set by the pattern value,… Continue reading How to use the pattern attribute, to specify regular expression to input value
Tag: Input field
How to force Input field to enter numbers only using JavaScript
As there are many ways to force the input field to take input-only numbers. The two methods by which we can do one of which is using by ASCII code and other is by using the replace() or isNaN() fn. First method : The example below illustrate Input[type=”text”] allows only Numeric Value using Javascript with the help… Continue reading How to force Input field to enter numbers only using JavaScript