代码与可视化页面转换

var param = [
{"name": "IP地址", "key": "ip", "value": "127.0.0.1"},
{"name": "端口号", "key": "port", "value": "8080"},
{"name": "用户名", "key": "username","value": "123"},
{"name": "密码", "key": "password", "value": "456"}
];

var str = "jkj kjlk{{ip}}j klj kl jlk {{username}} {{port}}{{ip}}";
for(var i = 0;i<;i++){
var reg = new RegExp("{{"+param[i].key+"}}", "g");
str = (reg, param[i].value);
}