js implements the cursor after the string after getting focus_javascript skills

Mainly introduces the js implementation of the cursor after the string after getting the focus. The principle is to copy and paste yourself again after getting the focus. Friends who like it can take a look

Copy code The code is as follows:

var t=$("#" id).val();

$("#" id).val("").focus().val(t);

//The principle is to copy and paste yourself again after getting the focus