How to trigger & lt; Select> The option of full automatic start?

CodePudding user response:

Native & lt; Select> Elements cannot be achieved, you make a simulation using div + ul

CodePudding user response:

Oh ~ ~ ~ ~

CodePudding user response:

CodePudding user response:

 
 
 
 
 
<script> 
Let $sel1=document. GetElementById (" select1 ") 
Select1. AddEventListener (" mousedown ", function () {
if (! Enclosing the getAttribute (" multiple ")) enclosing setAttribute (" multiple ", true) 
}, false) 
Select1. AddEventListener (" change ", function () {
Enclosing removeAttribute (" multiple ") 
}, false) 
Select1. AddEventListener (" mouseleave ", function () {
Enclosing removeAttribute (" multiple ") 
}, false) 
</script> 

CodePudding user response:

Native seems no use Li or a simulated one