如何在 HTML 标签中获取内部值

Question

I have a variable T

T = < input type="text" name="amount" value="3" class="txt-spin" />

Question : How do I get "3" in this tag using javascript ..?

Answer 1

There is something wrong in the way you're associating the HTML element to a JS Variable.

BUT

If you are using js for this: you can use .getAttribute() Link

Useful: How to work with HTML elements in JS

Answer 2

T = document.getElementByClassName("txt-spin").value