javascript check var type code example
Example 1: get type of var js
function doSomething(x) {
if(typeof(x) === 'string') {
alert('x is a string')
} else if(typeof(x) === 'number') {
alert('x is a number')
}
}
Example 2: javascript check type of variable var
typeof "hello"
var a = 1;
typeof(a);
Example 3: get type of var js
var x = 12345;
console.log(typeof x)
x = 'string';
console.log(typeof x)
x = { key: 'value' };
console.log(typeof x)
Example 4: check data type in js
var x = "Hello World";
typeof x;