如何使用JavaScript在HTML元素的两个ID之间切换？

Question

<div id = 'ONE' onclick = "change to id TWO" >One</div>

What I want is that every time I click that div it'll toggle between ID ONE and ID TWO, if it's on ID TWO and I click it, it switches to ID ONE and vice versa. How can I do that?

Answer 1

This is most easily accomplished with jQuery.

First thing that comes to my mind is setting a click counter to 0. If it's even, we will change the id to red , if it's odd, we change the id to blue .

 var clickCount = 0; $("div").on("click", function() { clickCount++; $("div").attr("id", clickCount % 2 === 0 ? "blue" : "red"); }); 

 #red { color: red; } #blue { color: blue; } 

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div>This is a div</div> 

Here is the native JavaScript equivalent.

 var div = document.getElementById("my-div"); var clickCount = 0; div.addEventListener("click", function() { clickCount++; div.setAttribute("id", clickCount % 2 === 0 ? "blue" : "red"); }); 

 #red { color: red; } #blue { color: blue; } 

 <div id="my-div">This is a div</div> 

Answer 2

I found the solution:

function changediv() {
    if (document.getElementById("one")) {
        document.getElementById("one").id = "two";
    } else {
        document.getElementById("two").id = "one";
    }
}

Then on your div

<div id = "one" onclick = "changediv()" >Your stuff</div>