Javascript Node.js可读的self.push()在工作15次迭代后停止
我试图理解为什么Javascript Node.js可读的self.push()在工作15次迭代后停止,javascript,node.js,stream,readable,Javascript,Node.js,Stream,Readable,我试图理解为什么Readable=require('stream')。在这段代码中,Readable在node.js上只能工作15次。我省略了这一行X.on('data',function(){console.log('data')})这行代码无限重复,这是正确的 start.js therm.js node start.js只输出15次迭代 Start Therm getTemperatureReadingFromThermometer :7.98 self.push(temperature)
Readable=require('stream')。在这段代码中,Readable
在node.js上只能工作15次。我省略了这一行X.on('data',function(){console.log('data')})代码>这行代码无限重复,这是正确的
start.js
therm.js
node start.js只输出15次迭代
Start Therm
getTemperatureReadingFromThermometer :7.98
self.push(temperature) : 0
getTemperatureReadingFromThermometer :18.46
self.push(temperature) : 1
getTemperatureReadingFromThermometer :13.27
self.push(temperature) : 2
getTemperatureReadingFromThermometer :1.6
self.push(temperature) : 3
getTemperatureReadingFromThermometer :18.08
self.push(temperature) : 4
getTemperatureReadingFromThermometer :2.08
self.push(temperature) : 5
getTemperatureReadingFromThermometer :10.91
self.push(temperature) : 6
getTemperatureReadingFromThermometer :13
self.push(temperature) : 7
getTemperatureReadingFromThermometer :9.98
self.push(temperature) : 8
getTemperatureReadingFromThermometer :14.4
self.push(temperature) : 9
getTemperatureReadingFromThermometer :6.69
self.push(temperature) : 10
getTemperatureReadingFromThermometer :12.14
self.push(temperature) : 11
getTemperatureReadingFromThermometer :3.65
self.push(temperature) : 12
getTemperatureReadingFromThermometer :13.54
self.push(temperature) : 13
getTemperatureReadingFromThermometer :16.59
self.push(temperature) : 14
getTemperatureReadingFromThermometer :1.69
self.push(temperature) : 15
任何提示都将不胜感激我终于找到了这个难题的答案
var X = new thermom({highWaterMark: 500 });
将在这个队列中为您提供500个项目的缓冲区,同样,5的highWaterMark将把迭代减少到只有5个。其文档记录在node.js中
Start Therm
getTemperatureReadingFromThermometer :7.98
self.push(temperature) : 0
getTemperatureReadingFromThermometer :18.46
self.push(temperature) : 1
getTemperatureReadingFromThermometer :13.27
self.push(temperature) : 2
getTemperatureReadingFromThermometer :1.6
self.push(temperature) : 3
getTemperatureReadingFromThermometer :18.08
self.push(temperature) : 4
getTemperatureReadingFromThermometer :2.08
self.push(temperature) : 5
getTemperatureReadingFromThermometer :10.91
self.push(temperature) : 6
getTemperatureReadingFromThermometer :13
self.push(temperature) : 7
getTemperatureReadingFromThermometer :9.98
self.push(temperature) : 8
getTemperatureReadingFromThermometer :14.4
self.push(temperature) : 9
getTemperatureReadingFromThermometer :6.69
self.push(temperature) : 10
getTemperatureReadingFromThermometer :12.14
self.push(temperature) : 11
getTemperatureReadingFromThermometer :3.65
self.push(temperature) : 12
getTemperatureReadingFromThermometer :13.54
self.push(temperature) : 13
getTemperatureReadingFromThermometer :16.59
self.push(temperature) : 14
getTemperatureReadingFromThermometer :1.69
self.push(temperature) : 15
var X = new thermom({highWaterMark: 500 });