我想知道如何为此脚本添加下拉图片。
<a onclick="showMoreOrLess(this,'restOfArticle');">+Sign In </a>
<span id="restOfArticle" style="display:none"> </span>
脚本
<script>function showMoreOrLess(thisObj, bonusContent) {
var caption = thisObj.innerHTML;
//alert(caption);
if (caption == "+Sign In") {
document.getElementById(bonusContent).style.display = "inline";
thisObj.innerHTML = "-Sign In";
} else {
document.getElementById(bonusContent).style.display = "none";
thisObj.innerHTML = "+Sign In";
}
}
</script>
我想用小图片图标替换+和 - ,怎么做?
答案 0 :(得分:1)
删除+
或-
标志。将一个类添加到锚点,然后使用:before
伪选择器。
<强> HTML 强>
<a class="icon-left" onclick="showMoreOrLess(this,'restOfArticle');">Sign In </a>
<强> CSS 强>
.icon-left::before {
content: url('Icon image URL here');
}