About the solution to the small problem when jquery append() html_jquery

Let’s take a look at the phenomenon first:

Copy code The code is as follows:

$(".main ").append("haha");
$(".main").append("xixi");
alert($(".main").html());

Result: hahaxixi
Everything is fine
Change it

Copy the code The code is as follows:

$(".main").append("

This is span");
$(" .main").append("

");
alert($(".main").html());

Result:

This is span

This is not normal, as long as there are two This exception will occur when append() html code is used. I don’t know why. I searched and found no relevant information. The temporary solution is to avoid appending html code in this way.