javascript check substring code example
Example 1: check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring));
Example 2: javascript string contains
var string = "foo",
substring = "oo";
console.log(string.includes(substring));
Example 3: angular string contains
var string = "foo";
var substring = "oo";
console.log(string.indexOf(substring) !== -1);
Example 4: javascript contains substring
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
Example 5: How to check whether a string contains a substring in JavaScript?
var str = "Hello world, welcome to the universe.";
var n = str.includes("world");