javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringjavascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringget 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')
}
}type of variable js
// get type of variable
var number = 1
var string = 'hello world'
var dict = {a: 1, b: 2, c: 3}
console.log(typeof number) // number
console.log(typeof string) // string
console.log(typeof dict) // objectjavascript get type of var
typeof operandojavascript 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'get type of var js
var x = 12345;
console.log(typeof x) // number
x = 'string';
console.log(typeof x) // string
x = { key: 'value' };
console.log(typeof x) // objectCopyright © 2021 Codeinu
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