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How to make javascript function can use after dot


By : Michael
Date : October 17 2020, 08:10 PM
will be helpful for those in need This is something akin to the Builder Pattern. The idea is to return the object after appending a condition.
Example code (language agnostic):
code :
def where(condition){
    self.appendCondition(condition)
    return self  // Important part
}


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Javascript: make an deep clone/extend/copy function that does not make any garbage for GC


By : Cristian Polanco
Date : March 29 2020, 07:55 AM
I wish did fix the issue. This is actually a more interesting question than I first thought. After reading the suggested link it is clear the articles author is advocating object pooling. So something like
code :
function Pool(fConstructor, nMaxSize, fCleanFunction) {
    this.aObjectPool = [];
    this.nMaxSize = nMaxSize;
    this.fCleanFunction = fCleanFunction;
    this.fConstructor = fConstructor;
}

Pool.prototype.get = function() {
    return this.aObjectPool.pop() || new this.fConstructor();
}

Pool.prototype.recycle = function(oObject) {
    if (aObjectPool.length < this.nMaxSize) {
        fCleanFunction(oObject);
        this.aObjectPool.push(oObject);
    }
}       

function wipeArray(aArray) {
    aArray.length = 0;
}

function wipeObject(oObject) {
    for (var p in obj) {
        if (obj.hasOwnProperty(p)) {
            delete obj[p];
        }
    }
};

var oArrayPool = new Pool(Array, 50, wipeArray);

var oObjectPool = new Pool(Object, 50, wipeObject);

HTML JavaScript, how would I be able to make this function work using JavaScript by giving each element a different Id


By : Benjamin Adams
Date : March 29 2020, 07:55 AM
it fixes the issue am in need of some help with this simple function so it would be great if you could help me , Modify your function to take an id as a parameter:
code :
function changeImage(id) {
    var element=document.getElementById(id);
    if (element.src.match("bulbon")) {
        element.src="pic_bulboff.gif";
    }
    else {
        element.src="pic_bulbon.gif";
    }
}

cannot make autoslider() to function when i am make a slider using pure javascript?


By : Tammy S
Date : March 29 2020, 07:55 AM
With these it helps The setInterval function must receive a callback, but you're passing a function call. So it gets executed only once.
You must change your setIntervalimplementantion to:
code :
function autoSlider(){
    myAutoSlider = setInterval(function(){change_image(1)}, 1000);
};

How to make Javascript execute a code every x seconds, but make it wait before a function was fully executed?


By : Adrian Lowndes
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Don't use setInterval. It will try to call a function after the elapsed time regardless whether it's finished or not. setTimeout is better, as you can control when it gets called. And you quite normally just call it at the end of a function (where it calls itself).
E.g.
code :
function draw() {
    // Some drawing here...
    setTimeout(draw, 50);
}

When I have a Javascript function include an external Javascript file, how can I make the function block until the exter


By : user1591232
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further If you can't use callbacks, then use promises, which are designed to create a "blocking" mechanism in an asynchronous environment without having to add a separate callback function.
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