if starrts with javascript code example

Example 1: check if js string begin with word

const str1 = 'Saturday night plans';

console.log(str1.startsWith('Sat'));
// expected output: true

console.log(str1.startsWith('Sat', 3));
// expected output: false

Example 2: how to check string start with #

public class JavaExample{  
   public static void main(String args[]){ 
	//given string
	String s = "   This is just a sample string";  
		
	//checking whether the given string starts with "This"
	System.out.println(s.startsWith("This"));  
		
	//checking whether the given string starts with "Hi"
	System.out.println(s.startsWith("Hi"));  
   }
}