Javascript 访问超时函数中的变量
在下面的代码段中,我希望timeDiff可以设置为waitingTime。但我知道内部函数中的timeDiff只有在执行时才会得到值。如何使用元素的TIMEDIFF为give函数设置超时Javascript 访问超时函数中的变量,javascript,angularjs,timeout,Javascript,Angularjs,Timeout,在下面的代码段中,我希望timeDiff可以设置为waitingTime。但我知道内部函数中的timeDiff只有在执行时才会得到值。如何使用元素的TIMEDIFF为give函数设置超时 var timeDiff; for (var i = 0; i < q.length; i++) { (function() { timeouts.push($timeout(function() { var element = q.s
var timeDiff;
for (var i = 0; i < q.length; i++) {
(function() {
timeouts.push($timeout(function() {
var element = q.shift(); // q is a queue
timeDiff = element.TIMEDIFF;
console.log(element.TIMEDIFF); //3000
broadcastData(element);
}, waitingTime));
// console.log(timeDiff + " timeiff");
waitingTime = waitingTime + timeDiff; // 1000 + 3000
})();
}
var-timeDiff;
对于(变量i=0;i
简单来说,waitingTime应该取决于element.TIMEDIFF。如何做到这一点?像这样的事情怎么样?我已经把它做得有点通用,但它应该做你希望实现的事情。在这里下一个函数的时间,可从当前执行的函数中完全配置
var timeDiff;
for (var i = 0; i < q.length; i++) {
(function() {
timeouts.push($timeout(function() {
var element = q.shift(); // q is a queue
timeDiff = element.TIMEDIFF;
console.log(element.TIMEDIFF); //3000
broadcastData(element);
}, waitingTime));
// console.log(timeDiff + " timeiff");
waitingTime = waitingTime + timeDiff; // 1000 + 3000
})();
}
var waitingTime = 100;
var q = {length: 100};
var i = 0;
var timeouts = [$timeout(getTimeDiff, waitingTime).then(callback)];
function callback(newTime) {
while(i < q.length) {
i++;
var promise = $timeout(getTimeDiff, newTime).then(callback);
timeouts.push(promise);
return promise;
}
}
function getTimeDiff() {
//here is where you would access the q and get the timediff
waitingTime += Math.floor(Math.random() * 100);
console.log(waitingTime + " until next tick");
return waitingTime;
}
var waitingTime=100;
var q={length:100};
var i=0;
var timeouts=[$timeout(getTimeDiff,waitingTime).then(callback)];
函数回调(newTime){
while(i
像这样的东西怎么样?我已经把它做得有点通用,但它应该做你希望实现的事情。在这里下一个函数的时间,可从当前执行的函数中完全配置
var timeDiff;
for (var i = 0; i < q.length; i++) {
(function() {
timeouts.push($timeout(function() {
var element = q.shift(); // q is a queue
timeDiff = element.TIMEDIFF;
console.log(element.TIMEDIFF); //3000
broadcastData(element);
}, waitingTime));
// console.log(timeDiff + " timeiff");
waitingTime = waitingTime + timeDiff; // 1000 + 3000
})();
}
var waitingTime = 100;
var q = {length: 100};
var i = 0;
var timeouts = [$timeout(getTimeDiff, waitingTime).then(callback)];
function callback(newTime) {
while(i < q.length) {
i++;
var promise = $timeout(getTimeDiff, newTime).then(callback);
timeouts.push(promise);
return promise;
}
}
function getTimeDiff() {
//here is where you would access the q and get the timediff
waitingTime += Math.floor(Math.random() * 100);
console.log(waitingTime + " until next tick");
return waitingTime;
}
var waitingTime=100;
var q={length:100};
var i=0;
var timeouts=[$timeout(getTimeDiff,waitingTime).then(callback)];
函数回调(newTime){
while(i
我做了一点改变,希望对你有用
var timeDiff;
for (var i = 0; i < q.length; i++) {
(function() {
timeouts.push($timeout(function() {
var element = q.shift(); // q is a queue
timeDiff = element.TIMEDIFF;
console.log(element.TIMEDIFF); //3000
broadcastData(element);
}, waitingTime));
// console.log(timeDiff + " timeiff");
waitingTime = waitingTime + timeDiff; // 1000 + 3000
})();
}
var timeDiff;
for (var i = 0; i < q.length; i++) {
var element = q[i];
timeDiff = element.TIMEDIFF;
timeouts.push(setTimeout(function(data) {
broadcastData(data.e);
}, waitingTime, {e:element}));
waitingTime = waitingTime + timeDiff;
}
var-timeDiff;
对于(变量i=0;i
我做了一点改变,希望对你有用
var timeDiff;
for (var i = 0; i < q.length; i++) {
(function() {
timeouts.push($timeout(function() {
var element = q.shift(); // q is a queue
timeDiff = element.TIMEDIFF;
console.log(element.TIMEDIFF); //3000
broadcastData(element);
}, waitingTime));
// console.log(timeDiff + " timeiff");
waitingTime = waitingTime + timeDiff; // 1000 + 3000
})();
}
var timeDiff;
for (var i = 0; i < q.length; i++) {
var element = q[i];
timeDiff = element.TIMEDIFF;
timeouts.push(setTimeout(function(data) {
broadcastData(data.e);
}, waitingTime, {e:element}));
waitingTime = waitingTime + timeDiff;
}
var-timeDiff;
对于(变量i=0;i
超时中的每个函数将为下一个函数设置waitingTime的目标是什么?超时中的每个函数将为下一个函数设置waitingTime的目标是什么?您测试了吗?我认为这行不通。不过我会试试的。当设置超时功能时,waitingtime应该可以使用。好的,我明白你的意思。我认为这样的结构可以工作,利用$timeout是一个承诺的事实。您测试过吗?我认为这行不通。不过我会试试的。当设置超时功能时,waitingtime应该可以使用。好的,我明白你的意思。我认为这样的结构会起作用,利用$timeout是一个承诺的事实。如果我们在超时之外使用q.shift(),那么while循环将在迭代结束时清空队列,这不是预期的行为。如果我们不使用q.shift(),会怎么样?通过元素的键获取元素。。这样行吗?如果我们在超时时间外使用q.shift(),那么while循环将在迭代结束时清空队列,这不是预期的行为。如果我们不使用q.shift(),会怎么样?通过元素的键获取元素。。这样行吗?