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check if variable is defined Code Example
javascript check if variable exists 
if (typeof myVar !== 'undefined') {
    // myVar is defined
}
js if variable is defined 
if (typeof variable !== 'undefined') {
    // the variable is defined
}
Source: stackoverflow.com
check if variable is defined 
try:
    thevariable
except NameError:
    print("well, it WASN'T defined after all!")
else:
    print("sure, it was defined.")
Source: stackoverflow.com



Python

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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