JS模拟form表提交

//模拟form表提交

function post(URL, PARAMS) {        
    var temp = document.createElement("form");        
    temp.action = URL;        
    temp.method = "post";        
    temp.style.display = "none";        
                      
    var opt = document.createElement("textarea");        
    opt.name = "data";        
    opt.value = PARAMS;         
    temp.appendChild(opt);        
                      
    document.body.appendChild(temp);        
    temp.submit();        
    return temp;        
}