check type of javascript code example
Example 1: javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // string
Example 2: javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
//whatever
}
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"