Answers for "javascript check typeof variable"

14

javascript how to know type of variable

var foo = "Hello";
console.log(typeof foo); // string
Posted by: Guest on February-20-2020
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
1

javascript check type of variable var

// You can use the built-in method 'typeof' in order to check the variable datatype

//examples:

typeof "hello" // "string"

//or
var a = 1;
typeof(a);
//the output will be > 'number'
Posted by: Guest on August-23-2020

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