javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringjavascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringcheck data type in js
typeof("string"); //string
typeof(123); //numbertype of 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
}check data type in js
typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keywordtypeof in js
var someValue = 'this is string';
console.log(typeof(someValue)); // this will return stringCopyright © 2021 Codeinu
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