javascript string find character code example

Example 1: How find a specific character in js

var word = "This is how you locate a word in a string";
var n = word.includes("word");

Example 2: find char in string javascript

var str = "Hello world, welcome to the universe.";

var n = str.indexOf("e");

Example 3: js string search

var str = "This is a test sentence";
var hasTest = str.includes("test");

if(hasTest == true){
	//do a thing 
}

Example 4: javascript indexof

//indexOf getting index of array element, returns -1 if not found
var colors=["red","green","blue"];
var pos=colors.indexOf("blue");//2

//indexOf getting index of sub string, returns -1 if not found
var str = "We got a poop cleanup on isle 4.";
var strPos = str.indexOf("poop");//9