how to check typeof in javascript code example
Example 1: javascript typeof undfined
var x;
if (typeof x === 'undefined') {
}
Example 2: javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
}
Example 3: check type javascript
console.log(typeof "how are you?")
"string"
console.log(typeof false) / console.log(typeof true)
"boolean"
console.log(typeof 100)
"number"
Example 4: js typeof number
console.log(typeof 93);
console.log(typeof 'Maximum');
console.log(typeof false);
console.log(typeof anUndeclaredVariable);
Example 5: check data type in javascript
typeof("string");
typeof(123);
Example 6: how to get type of variable in javascript
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"