Answers for "check if variable exsits"

javascript check if variable exists

if (typeof myVar !== 'undefined') {
    // myVar is defined
}

Posted by: Guest on July-23-2019

check if variable exists

if 'myVar' in locals():
  # myVar exists.
if 'myVar' in globals():
  # myVar exists.

Posted by: Guest on October-17-2021

Code answers related to "check if variable exsits"