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I want to limit the execution of two different functions with the same throttle.
Let's say I have a function called A and another one called B.
I want to limit the number of executions of both of them so that if A is called at time 0, and the limit is 1000, B shouldn't get executed until after 1000ms has passed
what i did:
doubleThrottle = (action) => {
if (action)
return this.A()
return this.B()
}
let throttledUpdate = throttle(this.doubleThrottle, 1000, {'trailing': false})
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is it possible to read two different values over one parameter in a function? I need to load two values in one parameter into a function.
Thank you for your help
Yes, it's possible. Simplest example:
function test(params) {
return params.first + params.second;
}
console.log(test({
first: 3,
second: 4
}));
If you care about the names, then:
function test(params) {
var {first, second} = params;
return first + second;
}
console.log(test({
first: 3,
second: 4
}));
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my stopwatch with javascript and I don't get this point
buttonStart.addEventListener("click", () => {
if (Interval) {
clearInterval(Interval); }
Interval = setInterval(startTimer, 10); });
The second value it receives is the number of milliseconds between repetitions. Meaning each 10 milliseconds it will run the startTimer function.
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I have been asked to show I have used these processes in my program but from looking up the definitions, I don't know what they mean. I am confident my program is complicated enough that it uses these processes, but I don't know exactly what they are. What would be an example of these processes used in javascript?
Unsure what you mean by custom function - but recursion is just a function that calls itself.
Example of recursion
countNumTimesToZero = (myNum, count = 0) => {
if (myNum - 1 === 0) return count + 1;
return countNumTimesToZero(myNum - 1, count + 1);
}
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I want the newid to be incremented when I call the function.
You make the function close over the variable, by declaring the variable in the surrounding context:
let newid = 3;
const generateTemplate = contact => {
// ...
newid++;
};
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Hello I'm trying to make DRY code (not repeat code) from the a secondFunction that inherits NEARLY all the content from a firstFunction.
This would be the example of what I want but it's not DRY:
function firstFunction(){
this.arrayObjectsToElastic = ["hello1", "hello2"]
this.anothervariable1= "anothervariable1"
this.anothervariable2= "anothervariable2"
this.targetVariableToRemove = "something"
return [this.arrayObjectsToElastic]
}
function secondFunction(){
this.arrayObjectsToElastic = ["hello1", "hello2"]
this.anothervariable1= "anothervariable1"
this.anothervariable2= "anothervariable2"
return [this.arrayObjectsToElastic]
}
Therefore, I don't want to "inherit" in the secondFunction the targetVariableToRemove from the firstFunction because if so it'll crash in some other processes I'm running.
Maybe you can do something like:
function secondFunction(){
return firstFunction().concat(["newContent"]);
}