typeof value javascript code example

Example 1: javascript find type of variable

> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"

if(typeof bar === 'number') {
   //whatever
}

Example 2: 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"

Example 3: typeof in js

var someValue = 'this is string';
console.log(typeof(someValue)); // this will return string

Example 4: typeof in js

typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keyword