js includes
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// output: truejs includes
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// output: true.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]js check if string contains character
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}Copyright © 2021 Codeinu
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