0
我想在页面加载加载CSS背景图像,但我收到此错误遗漏的类型错误:无法设置的不确定
Uncaught TypeError: Cannot set property 'background' of undefined
function loadBG() {
document.getElementsByClassName("img-icon-invite").style.background = "url('<?php echo Yii::app()->theme->baseUrl; ?>/style/home/images/firstProPopup-sprite-new-white.png')";
document.getElementsByClassName("img-icon-verified").style.background = "url('http://dev1.venturepact.com/themes/adminre/style/home/images/firstProPopup-sprite-new-white.png')";
}
window.onload = loadBG();
份额HTML以及 – guradio
'getElementsByClassName'获取值的数组,你在它的名字'getElements' –
看到'getElementsByClassName'返回一个数组,所以你需要访问的每个元素由其索引。 –