NaN value stands for not a number value. A value of a number data type becomes NaN when the value is not a number legally. Getting a NaN value instead of a number can even break your react native mobile application. So, how to check if a number is NaN or not in React Native?…
While developing mobile apps with react native, chances are high that you may come across some scenarios where the value of the variable you declared becomes undefined. So, how to check if a variable is undefined or not in react native as well as JavaScript? Earlier I have written about how to check undefined property…
Sometimes, we may need to execute code after some delay. In such cases, we use JavaScript method setTimeout in React Native. The setTimeout method is used to execute a function after waiting a specific amount of time. See the following snippet to see how we use the setTimeout method. The yourFunction will execute only after…
Sometimes, you may want to check if a value is undefined or not in react native. The usual scenario you face undefined property is while iterating through a JavaScript object with invalid keys. This blog post helps you to check if a JavaScript object property is undefined or not. In JavaScript, you can make use…