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 function
s = "Hello world";
console.log(s.includes("world"));javascript contains substring
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)js check if string contains character
"FooBar".includes("oo"); // true
"FooBar".includes("foo"); // false
"FooBar".includes("oo", 2); // false.includes( string
var str = "Hello world, welcome to the universe.";
var n = str.includes("world");.includes javascript
let storyWords = ['extremely literally actually hi bye okay']
let unnecessaryWords = ['extremely', 'literally', 'actually' ];
let betterWords = storyWords.filter(function(word) {
return !unnecessaryWords.includes(word);
});
console.log(betterWords) // ['hi' 'bye' 'okay]Copyright © 2021 Codeinu
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