ここで私はJavascriptファイルを持っています - コードはかなり面倒ですが、私はいくつかの基本的な機能をコーディングしていますが、コードをクリーンアップしません。ページには3つのセクションがあり、その中には3つのセクションがあります。写真は30秒ごとに変わるはずです。このエラーの原因は何ですか?このエラーの解決方法を教えてください。
コンソールに出力エラー:例外TypeError:未定義のオブジェクトでない
( 'document.images [1] = .SRC画像[代替]を' 評価)ここで、コードは次のとおり
var alternate = 0;
var timerId;
var images = ["img/s1.jpg", "img/tourism.jpg", "img/s2.jpg", "img/shopping.jpg", "img/dining.jpg", "img/shopping2.jpg", "img/s3.jpg"]; // Image URLs in a image array
function startAnimation() {
var now = new Date();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
var meridian = "AM";
var time = hours + ":" + minutes + ":" + seconds + " " + meridian;
if (hours < 12 && meridian == "PM" || hours == 0) {
hours = hours + 12;
meridian == "AM";
time = hours + ":" + minutes + ":" + seconds + " " + meridian;
} else if (hours > 12 && meridian == "AM") {
meridian = "PM";
hours = hours - 12;
time = hours + ":" + minutes + ":" + seconds + " " + meridian;
}
//hours < 12 ? meridian : "AM";
// comment on code here.
if (minutes < 10) {
minutes = "0" + minutes;
time = hours + ":" + minutes + ":" + seconds + " " + meridian;
}
// comment on code here.
if (seconds < 10) {
seconds = "0" + seconds;
time = hours + ":" + minutes + ":" + seconds + " " + meridian;
}
//alternate = (alternate == 0) ? 1 : 0; // Alternate images
if (alternate == 0) {
alternate = 3;
} else {
alternate = 0;
}
if (alternate == 1) {
alternate = 2;
} else {
alternate = 1;
}
//document.images[0].src = images[alternate]; // Update image
document.images[1].src = images[alternate];
timerId = setTimeout("startAnimation()", 30000); // 30 second update
if (images[alternate] == images[0]) {
console.log(time + " " + images[0] + " has been loaded.");
}
if (images[alternate] == images[3]) {
console.log(time + " " + images[3] + " has been loaded.");
}
if (images[alternate] != images[0] || images[alternate] != images[3]) {
console.log("Please wait while the debugging process is in effect.");
}
}
startAnimation();
私の腸は 'document.images [1]'が間違っています。私はJSとDOM IDKに悪いですが、答えは –