check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //truecheck for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //truejavascript string contains
var string = "foo",
substring = "oo";
console.log(string.includes(substring));string contains in javascript
const string = "foo";
const substring = "oo";
console.log(string.includes(substring));javascript string contains
var email = "[email protected]";
if(email.includes("@")){
console.log("Email is valid");
}
else{
console.log("Email is not valid");
}
// includes return boolean, if your string found => true else => falsejavascript string contains string
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)string contains javascript
const s1 = 'javascript';
const s2 = 'python';
console.log(s1.includes('script')); // true
console.log(s2.includes('script')); // falseCopyright © 2021 Codeinu
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