check data type in js
typeof("string"); //string
typeof(123); //number
check data type in js
typeof("string"); //string
typeof(123); //number
type 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
}
js typeof number
console.log(typeof 93);
// Output = "number"
console.log(typeof 'Maximum');
// Output = 'string'
console.log(typeof false);
// Output = "boolean"
console.log(typeof anUndeclaredVariable);
// Output = "undefined"
typeof in js
typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keyword
typeof in js
var someValue = 'this is string';
console.log(typeof(someValue)); // this will return string
check data type in js
var x = "Hello World";
typeof x; // "string"
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