Answers for "typeof in js"

17

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
}
Posted by: Guest on April-02-2020
10

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"
Posted by: Guest on April-22-2020
5

typeof in js

typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keyword
Posted by: Guest on March-21-2020
0

get type of var js

var x = 12345; 
console.log(typeof x) // number
x = 'string'; 
console.log(typeof x) // string
x = { key: 'value' };
console.log(typeof x) // object
Posted by: Guest on October-12-2020
0

how to get type of variable in javascript

> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
Posted by: Guest on October-09-2020
1

typeof in js

var someValue = 'this is string';
console.log(typeof(someValue)); // this will return string
Posted by: Guest on March-11-2021

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