为什么onLoad没有被触发?
function FULL_IMAGE(fimage){
document.getElementById("FULL_SRC").onLoad = function(){
offsetTop = document.getElementById("FULL_SRC").height / 2;
offsetLeft = document.getElementById("FULL_SRC").width / 2;
document.getElementById("FULL_SRC").style.marginTop="-"+offsetTop+"px";
document.getElementById("FULL_SRC").style.marginLeft="-"+offsetLeft+"px";
}
document.getElementById("FULL_SRC").src=fimage;
document.getElementById("FULL_VIEW").style.display="block";
}
最佳答案
有时当从浏览器缓存中检索图像时,不会触发 onload 事件,因此您可以做一些 hack:
function FULL_IMAGE(fimage) {
var loaded = false;
function loadHandler() {
if (loaded) {
return;
}
loaded = true;
/* your code */
}
var img = document.getElementById('FULL_SRC');
img.addEventListener('load', loadHandler);
img.src = fimage;
img.style.display = 'block';
if (img.complete) {
loadHandler();
}
}
关于javascript - 为什么这个onload函数不运行?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5933230/