Answers for "node js check if value is undefined"

0

nodejs check if variable is undefined

if ( typeof query !== 'undefined' && query )
{
  //do stuff if query is defined and not null
}
else
{

}
Posted by: Guest on December-25-2020
2

js check if undefined

let foo = undefined
//will return true
typeof foo === 'undefined'
Posted by: Guest on July-15-2020

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