Answers for "how to check if is string javascript"

javascript check if string

if (typeof myVar === 'string' || myVar instanceof String)
// it's a string
else
// it's something else

how to check if a string is in a string js

// Example 1:
const string = "Hello world!";

n = string.includes("world");

// n is equal to true in Example 1

// Example 2:
const string = "Hello world!, I am Kavyansh";

n = string.includes("I am Aman");
// n is equal to false in Example 2
// Note: the .includes method is case sensitive

javascript if value is a string function

function isString(value) { 
	if (typeof value === "string") { 
		return true; 
	} 
	return false; 
}

if variable is string javascript

var booleanValue = true; 
var numericalValue = 354;
var stringValue = "This is a String";
var stringObject = new String( "This is a String Object" );
alert(typeof booleanValue) // displays "boolean"
alert(typeof numericalValue) // displays "number"
alert(typeof stringValue) // displays "string"
alert(typeof stringObject) // displays "object"