Sharing: three methods to unselect single-choice radio, single-choice radio

Sharing: three methods to unselect single-choice radio, single-choice radio

This article relies on jQuery. The first method, the second method is implemented using jQuery, and the third method is implemented based on JS and DOM.

<! Doctype html> 

Selected by default
<Input type = "radio" name = "bm" value = "1"/> GBK/GB2132
<Input name = "bm" type = "radio" value = "2"/> UTF-8
<Script> document. getElementsByName ("bm") [1]. checked = "checked"; </script>

In VC, the single-choice (Radio Button) is selected and the edit box is activated. The edit box becomes invalid after the selection is canceled.
Add:
GetDlgItem (IDC_EDIT)-> SetFocus ();
IDC_EDIT is the ID of the edit box.