我一直在敲打我的頭靠在牆上,似乎無法找到解決辦法,檢查其他職位有相同的警告,並沒有回答幫助財產「SRC」 /可我的問題適用。基本上很多小圖片和一個我點擊也變得在另一個地方大。使用Javascript - 遺漏的類型錯誤:無法讀取的不確定
錯誤是在第53行,又名最後一行。
var images = new Array();
var imageThumbs = [
{"src": "images/img01thumb.jpg", "alt":"City of DU", "title":"City"},
{"src": "images/img02thumb.jpg", "alt":"Some txt", "title":"Some txt"},
{"src": "images/img03thumb.jpg", "alt":"City of DU", "title":"City"},
];
var bigImgHolder = document.createElement("div");
bigImgHolder.setAttribute("id", "bigImgHolder");
document.body.appendChild(bigImgHolder);
var elem = document.createElement("img");
elem.setAttribute("src", "images/img01.jpg");
elem.setAttribute("alt", "Big Picture!");
elem.setAttribute("id", "bigImg");
document.getElementById("bigImgHolder").appendChild(elem);
var imgHolder = document.createElement("div");
imgHolder.setAttribute("id", "imgHolder");
document.body.appendChild(imgHolder);
var elem2;
for(var i = 0; i<imageThumbs.length; i++) {
elem2 = document.createElement("img");
elem2.setAttribute("src", imageThumbs[i].src);
elem2.setAttribute("alt", imageThumbs[i].alt);
elem2.setAttribute("class", "thumb");
elem2.addEventListener("click", function(){
changeMe(i+1);
})
document.getElementById("imgHolder").appendChild(elem2);
}
function preload() {
var path = "images/";
for (var i = 1; i <= imageThumbs.length; i++) {
images[i] = new Image();
if(i<10){
images[i].src = path + "img0" + i + ".jpg";
}
else{
images[i].src = path + "img" + i + ".jpg";
}
window.alert("image " + i + " loaded");
}
}
//swap images
function changeMe(index) {
document.getElementById('bigImg').src = images[index].src;
}
哪裏是changeMe功能? – Sagi
'i'是不是你想要當事件實際發生它是什麼....這將是最大的,因爲'for'循環將是長期的結束,完成,沒有索引匹配'我在+ 1' 。在'的document.getElementById( 'bigImg')SRC =圖像[索引]的.src陣列 – charlietfl
變化'images'的端;''到imageThumbs'。或者你可能忘了調用'preload'函數。 –