<span id="myId" class="myClass">Sample text</span>
我想通过使用文本值获取html页面中特定字符串的id或类,在本例中为“示例文本”。有办法吗?
答案 0 :(得分:2)
使用jQuery,非常简单:
var searchText = 'Sample text',
$element = $('span:contains(' + searchText ')'),
id = $element.attr('id'),
className = $element.attr('class');
严格的香草JS并不那么简洁。
var spans = document.getElementsByTagName('span'),
element,
text,
re = /Sample Text/,
// IE doesn't support textContent, FF doesn't support innerText
prop = document.body.innerText ? 'innerText' : 'textContent';
for (var i=0; i<spans.length; i++)
{
if (re.test(spans[i][prop]))
{
span = spans[i];
break;
}
}
var id, className;
if (span)
{
id = span.id;
className = span.className;
}