JavaScript (js) sets the default input focus (focus)_javascript skills

javascript:document.getElementById("id").focus ();
or javascript:document.all.id.focus();
or javascript:document.all.name.focus();

//Quote calling function
function quote(name ,id){
var quoteMsg=document.getElementById(id).innerHTML;
var content=document.getElementById("comment");
quoteMsg=quoteMsg.replace(//g, "~^").replace(/
/ g,'n');
content.focus();//To have the focus on the right side of the text, this line of code must be in front
content.value=quoteMsg '[Quote' name ']' 'n ' '——————————————————————' 'n'; //Fill in the text afterwards
return false; //Cancel the function of href
}
//Reply the automatic name input function
function backcomment(msg){
backdb=document.getElementById('comment');
backdb.focus();
backdb.value= msg 'n';
return false;
//return true; Originally used anchor to position
}