JSFiddle - React, Tailwind, and code Playground

by refhat

HTML

<input type="text" id="sessionNo" name="sessionNum" onKeyDown="limitText(this,5);" />

JavaScript

function limitText(limitField, limitNum) 
    { 
        if (limitField.value.length > limitNum)
            { 
                limitField.value = limitField.value.substring(0, limitNum);
                }
        }