check type js code example
Example 1: type of variable js
var number = 1
var string = 'hello world'
var dict = {a: 1, b: 2, c: 3}
console.log(typeof number)
console.log(typeof string)
console.log(typeof dict)
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: node js check type of variable
if (typeof i != "number") {
console.log('This is not number');
}
Example 5: type of javascript
if (typeof(value) !== "undefined") {
}
Example 6: check data type in javascript
typeof("string");
typeof(123);