How to remove Property of undefined error from you Javacript Projects .Cannot read property of undefined in Javascript and ReactJs .
Error like Cannot read property `map` of undefined
Learn more about ReactJs from https://learncoders.xyz/otp-countdown-timer-in-react/
There are certain ways to resolve this issue in your app
function studentRecord(a) { console.log(a.b); } var stuRec = { s: 'Student Record' }; myFunc(stuRec );
To avoid error Property undefined you can use below method
if (stuRec !== undefined) { ... } if (typeof(stuRec ) !== 'undefined') { ... }
You can use another way to handle this kind of situation in your project.
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