حضرت خواجہ سیدنا معین الدین حسن چشتی سنجاری اجمیری رحمۃ اللہ علیہ

[Solved] How to check for undefined in JavaScript

Adnaan

Hi,

I am getting undefined instead of blank values, please tell how to check for undefined?

Thanks

Mudassar

0 1

This way

 if (typeof(document.getElementById("txtName").value) != "undefined")
 {
     //Do something
 }

I agree, here is the link: https://www.e-iceblue.com/Introduce/spire-office-for-net-free.html