E.g.葡萄應該輸出gae。 如果代碼的開頭是這樣的,如何從隨機字符串輸出單詞的第一個,中間和最後一個字母
var words = [ "banana", "apple", "pineapple", "orange", "pear", "grape",
"watermelon", "paragraph", "Avocado", "cherry", "blackberry", "coconut",
"lime", "lemon", "olive", "plum", "Nectarine", "mango", "apricot"];
for (var i = 0; i < 5; i++){
var n1 = Math.floor(rc4Rand.getRandomNumber() * words.length);
var word = words[n1];
document.writeln("The word is: " + word);
document.writeln("1st, middle and last letters are:");
output(word);
}
我應該寫某事像陣列n1[0]
,陣列[n1.length-1]
,array[length/2]
或得到什麼結果呢? Tks所有您的意見和建議!
什麼是一個字的偶數字符的中間字符? –