最贊回答 / iamour_win
HTML:<form onsubmit="return valid()">? ? <input type="text" id="t" />? ? <input type="submit" id="s" value="提交" /></form>JS:function valid(){????var val = document.getElementById("t").value;????alert(val);????if(val == "可以提交"){aler...
2014-11-28