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

This function is often used in replies and quotes, that is, click the reply or quote. For example, if the input focus appears in the message input box, if anchors are used to position it, the input focus cannot be activated.

Copy code The code is as follows:

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

Example:

Copy code The code is as follows:

Let’s take a closer look at the positioning of replies and quotes used in this blog, and how to position the focus on the right side of the text.

Copy code The code is as follows:

//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
}