var string = "Hello world!";

var n = string.search("w"); //now n equals 6

'a nice string'.indexOf('nice') !== -1 //true

'a nice string'.indexOf('nice', 3) !== -1 //false

'a nice string'.indexOf('nice', 2) !== -1 //true

​

const searchInString = (string, substring) => {

  // Using the indexOf() method to search for the substring within the string

  const index = string.indexOf(substring);

  if (index !== -1) {

    console.log(`The substring "${substring}" was found at index ${index} in the string "${string}".`);

  } else {

    console.log(`The substring "${substring}" was not found in the string "${string}".`);

  }

};

​

// Example usage

const myString = "Hello, World!";

const mySubstring = "World";

​

searchInString(myString, mySubstring);

"I love cats".indexOf("cat") //returns 7, the position of "cat"

const searchTerm = 'search';

const myString = 'This is a string to search within';

​

const position = myString.indexOf(searchTerm);

​

if (position !== -1) {

  console.log(`The term "${searchTerm}" was found at position ${position}`);

} else {

  console.log(`The term "${searchTerm}" was not found in the string`);

}