React Input Number only Positive
React to validate user input and allow only positive integers. If you want to create a React component that accepts only positive numbers in an input field, you need to use JavaScript regex to prevent negative or non-numeric values from being entered. In this article, we will explore how to use the input element with the type='number' attribute to allow only positive integers, how to use a regular expression (regex) to check for only positive numbers, and how to handle the input change event to validate the input value
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How to Allow Only Positive Numbers in Input Type Number in React Js?
To allow only positive numbers in a React.js input of type number, utilize the onChange event and validate using regex for positive numbers. In the event handler, ensure the entered value is positive by checking with regular expressions or comparison operators.
If the value is not positive, prevent the input update by setting it to the previous valid value or display an error message accepting only positive integers
Output of React Input Type Number Accept Only Positive Integers
