Javascript ef string incluees fylki

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3
0

javascript athuga hvort í fylkinu

var extensions = ["image/jpeg","image/png","image/gif"];          
if(extensions.indexOf("myfiletype") === -1){
	alert("Image must be .png, .jpg or .gif");
} 
1
0

js athuga hvort felur í sér band úr fylkinu

const found = arrayOfStrings.find(v => str.includes(v));

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