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function longestString() {
var longest = ' ';
for (var i=0; i < arguments.length; i++) {
if(arguments[i].length > longest.length) {
longest = arguments[i];
}
}
return longest;
}
console.log(longestString("asda", "asdasdasd", "12311","akjsdgkjagsdkjagkjdgkajsgdkjas"));
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var string = "foo",
substring = "oo";
console.log(string.includes(substring));
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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)
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'Bandeira do Brasil'.includes('brasil'); // returns false
'Bandeira do Brasil'.includes('Brasil'); // returns true
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const ParticipantsOfArtExhibition = [
"Jhon",
"Amy",
"Liam"
]
ParticipantsOfArtExhibition.includes("Jhon") //true
ParticipantsOfArtExhibition.includes("Thompson") //false
ParticipantsOfArtExhibition.includes("Amy") //true
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var email = "grepper@gmail.com";
if(email.includes("@")){
console.log("Email is valid");
}
else{
console.log("Email is not valid");
}
// includes return boolean, if your string found => true else => false
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var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
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const s = 'I am going to become a FULL STACK JS Dev with Coderslang';
console.log(s.includes('FULL STACK')); // true
console.log(s.includes('cheeseburger')); // false
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const s1 = 'javascript';
const s2 = 'python';
console.log(s1.includes('script')); // true
console.log(s2.includes('script')); // false