module.exports.max = function(n1, n2) { return Math.max(n1, n2) } module.exports.len = function(arr) { arr = arr || [] return arr.length } {{Mode}} {{weight}} {{text}} {{kcal}} 已发现 {{devices.length}} 个外围设备: {{item.name}} (信号强度: {{item.RSSI}}dBm) mac地址: {{item.macAddr || item.deviceId}}