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“check data type in javascript” Code Answer’s

get type of var js

javascript by Lucky Loris on Oct 12 2020 Donate

function doSomething(x) {
  if(typeof(x) === 'string') {
    alert('x is a string')
  } else if(typeof(x) === 'number') {
    alert('x is a number')
  }
}

Source: www.freecodecamp.org

javascript find type of variable

javascript by Coder Cuttlefish on May 16 2020 Donate

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

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

Source: stackoverflow.com

check data type in javascript

javascript by Batman

on Jul 25 2020 Donate

typeof("string"); //string
typeof(123); //number

type of javascript

javascript by The Amateur

on Apr 02 2020 Donate

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

//example of a practical usage
if (typeof(value) !== "undefined") {//asuming value is already set
  	//execute code
}

type javascirpt

java by Disturbed Deer on Feb 07 2020 Donate

console.log(typeof 42);

js typeof number

javascript by aMax on Apr 22 2020 Donate

console.log(typeof 93);
// Output = "number"

console.log(typeof 'Maximum');
// Output = 'string'

console.log(typeof false);
// Output = "boolean"

console.log(typeof anUndeclaredVariable);
// Output = "undefined"