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function setvalue(){
我的from.tmpA.value = "nihao";
}
1 <input size="50" type="text" name="tmpA" readonly="readonly">
<input type="button" class="btn" value="选择" onClick="setvalue();">
2 <input size="50" type="text" name="tmpB">
/*查找cookie*/
function findCookie(cookieName){
var _cookie = document.cookie.split('; ');
var temp ;
for(var i in _cookie){
temp = _cookie[i].split('=');
if(temp[0]==cookieName){
return temp[1];
}
}
return false;
}
/*添加cookie*/
function setCookie(cookieInfo){
document.cookie = cookieInfo.cookieName+'='+cookieInfo.cookieValue+';path=/;expires=Thu, 01-Jan-2020 00:00:01 GMT';
}
/*删除cookie*/
function deleteCookie(cookieName){
document.cookie = cookieName+'=0;path=/aaa;expires=Thu, 01-Jan-70 00:00:01 GMT';
}
var result = findCookie('test');
if(!result){
alert('设置cookie');
setCookie({cookieName:'test',cookieValue:'testvalue'});
}else{
alert('获取cookie');
alert(result);
}