文字を数える

文字を数えましょう！🔠

文字にも長さがあります 📏

let word = 'cat';
console.log('Letters in cat: ' + word.length);

名前を数えましょう 🙋

let name = 'Maya';
console.log(name + ' has ' + name.length + ' letters!');

スペースも数えます！🫧

let phrase = 'I am';
console.log('Characters (with space): ' + phrase.length);

文字カウンター 🛠️

function countLetters(word) {
  return word.length;
}
console.log(countLetters('apple'));
console.log(countLetters('sun'));

スペースを除いて数えましょう 🚫🫧

let sentence = 'big red dog';
let noSpaces = sentence.split(' ').join('');
console.log('Without spaces: ' + noSpaces);
console.log('Letters only: ' + noSpaces.length);

joinで単語をつなぎます 🤝

let words = ['I', 'love', 'code'];
let glued = words.join('');
console.log(glued);
console.log('Total letters: ' + glued.length);

単語と文字を数えましょう 📊

let sentence = 'I love coding';
let words = sentence.split(' ');
let letters = sentence.split(' ').join('');
console.log('Words: ' + words.length);
console.log('Letters: ' + letters.length);

いちばん長い単語はどれ？🤔

let word1 = 'elephant';
let word2 = 'ant';
console.log(word1 + ' has ' + word1.length + ' letters');
console.log(word2 + ' has ' + word2.length + ' letters');
if (word1.length > word2.length) {
  console.log(word1 + ' is longer! 🐘');
}

わかりやすい結果を表示しましょう 💬

function letterReport(word) {
  console.log('🔠 The word: ' + word);
  console.log('✏️ Letters: ' + word.length);
}
letterReport('rainbow');

文字を数えられます！🏆

クイックチェック ✅

レッスンのおさらい 🎀