Answers for "js check typeof string"

14

javascript how to know type of variable

var foo = "Hello";
console.log(typeof foo); // string
Posted by: Guest on February-20-2020
19

how to use typeof in javascript

//typeof() will return the type of value in its parameters.
//some examples of types: undefined, NaN, number, string, object, array

//example of a practical usage
if (typeof(value) !== "undefined") {//also, make sure that the type name is a string
  	//execute code
}
Posted by: Guest on April-02-2020

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