如何获取TAG值/文本（如innerHTML）？

Question

How to get TAG value (not innerHTML)? Lets supose i have a... link or image.

<link href="bla"> | <img src="ble" />

let suppose there is only 1 link in a document:

var links = document.link;

how to get TAG text as: ' <link href="bla"> ' by JS (cause innerHTML is empty cause there is not text INSIDE tag, cause it does not have ending >)?

Answer 1

You can use the DOM element attribute outerHTML

$(selector)[0].outerHTML

which gets the first DOM element of the selection and then acquires the html using the DOM attribute outerHTML

If you do not want the content but only the enclosing tag you could do this

$.fn.tag = function(){
    return this[0].outerHTML.replace(this.html(),"");
};

Answer 2

问题尚不完全清楚，但是我希望您想要属性值

var href = $(link).attr('href');

Answer 3

您需要做的就是这个（纯JS）：

var link = document.getElementsByTagName("link")[0];