[代码]替换多个指定的字符串为目标字符串

function deletezd(){
    arr=$("#tel").val();
    var ch_t = "，";  
    var reg_t = "/"+ch_t+"/g";  
    var arr = arr.replace(eval(reg_t),",");  //将多个全角逗号转为半角逗号
}