Answers for "check if javascript"

javascript check if variable exists

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

Posted by: Guest on July-23-2019

javascript is variable a string

if (typeof myVar === 'string'){
    //I am indeed a string
}

Posted by: Guest on July-23-2019

check if function javascript

variableToCheck instanceof Function

Posted by: Guest on August-25-2020

js check if variable is string

if (typeof myVar === 'integer'){
    //I am indeed an integer
}

if (typeof myVar === 'boolean'){
    //I am indeed a boolean
}

Posted by: Guest on March-19-2020

if syntax javascript

if (condition) {
	//what is done
}

Posted by: Guest on August-16-2021

Code answers related to "check if javascript"