javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // string
javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // string
check type javascript
console.log(typeof "how are you?")
"string"
console.log(typeof false) / console.log(typeof true)
"boolean"
console.log(typeof 100)
"number"
javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
//whatever
}
node js check type of variable
if (typeof i != "number") {
console.log('This is not number');
}
javascript 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'
how to check data type of javascript variable
let counter = 120; // counter is a number
console.log(typeof(counter)); // "number"
counter = false; // counter is now a boolean
console.log(typeof(counter)); // "boolean"
counter = "Hi"; // counter is now a string
console.log(typeof(counter)); // "string"Code language: JavaScript (javascript)
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