$window.onblur randomly stops working - javascript

I have it running fine on safari right now and not always working in chrome:
app.controller(.... function($window){
$window.focus();
$window.onfocus = function(){
$scope.inFocus = true;
};
$window.onblur = function (){
console.log("onblur");
$scope.inFocus = false;
};
});
The console.log is not always triggered. I was wondering if that was a bug or something I am doing wrong?
Update: I tried the solution given by #Gabe. It is still breaking sometimes, I am wondering if another action is interfering with it. It does look random though...
Update 2: I still don't know how it gets stuck, but I know how to get it unstuck:
I click on an input in the window to focus it.
I click outside of the input to unfocus.
I switch tab and back in. It works again.

Try using the API for angular.element instead
angular.element($window).bind('blur', function (){
console.log("onblur");
$scope.inFocus = false;
});
http://plnkr.co/edit/khYHeJlvn2uCzKeTjndM

Related

Scroll event won't fire what so ever

I have a (fairly simple) issue and I'm breaking my head over it.
The issue is pretty simple - scroll event won't fire (ever).
I'm writing this angular project, so I've tried the following:
angular.element($window).bind('scroll', ()=> {
console.log('scroll!');
if (!scope.scrollPosition) {
scope.scrollPosition = 0;
}
// Alerting for test cause wtf is going on
scope.boolChangeClass = this.pageYOffset > 600 ? alert(true) : alert(false);
scope.scrollPosition = this.pageYOffset;
scope.$apply();
}
);
but nothing happened. (assume $window is intact and that i'm using webpack etc.)
This example works great if I change the scroll to click. weird.
So I've tried vanilla~~!
window.addEventListener('scroll',function(){
console.log('test')
})
This attempt works on every other website except mine (gotta admit it's classic).
So - has anyone ever dealt with this and knows what's going on?
I assume that some other element is consuming this event at early stage thus not letting it bubble up. Yet this is just an assumption.'
Would love to understand this :)
=== EDIT ===
I've tried to see all the fired events using monitorEvents(window) (using Chrome) and I see every event that's being fire except the scroll..
Looks like it's the body element that is scrolling. Try adding the following code in the console.
document.body.addEventListener('scroll', function() {
console.log('test');
});

Running function on window scroll once in jQuery

I'm creating my portfolio and I'm trying to make my skill bars load when I go to "My skills" section. I want them to do it only once, either when someone scroll to this section or goes to it straight away from the navigation. This is my code:
var skills = $('#mySkills');
var skillsPositionTop = skills.position().top;
$(window).on("resize scroll", function (){
if (pageYOffset<skillsPositionTop-20 && pageYOffset>skillsPositionTop-80){
console.log ("here is my loading script");
}
});
It doesn't work when I use one instead of on, doesn't work when I created one more function on window with one inside my if statement.
I was trying exit the function with return or return false as well and here, on stack overflow I found something about flag, which I didn't fully understand but I tried different combinations with it.
Can someone please help me with it? I've seen there is a library for this type of effects, but there is no point of installing any just for one thing...
Edit. Console.log represens my loading code.
You can set a namespace at .on() for resize, scroll events, use .off() within if statement to remove namespaced events.
var skills = $('#mySkills');
var skillsPositionTop = skills.position().top;
$(window).on("resize.once scroll.once", function (){
if (pageYOffset<skillsPositionTop-20 && pageYOffset>skillsPositionTop-80) {
$(this).off("resize.once").off("scroll.once");
console.log ("here is my loading script");
}
});

Stop jquery looping function with second click and start from beginning

i have a click function, that starts another looping function.
i've looked for many exampels and instructions but don't get the function stopped with a second click on the button.
on jsfiddle, i've build, how it works actually.
my idea is to put a stop action to the clickfunction, but it doesn't seem to work:
function marsch() {
$('li').hide();
<!-- fadeInSequence().stop(); -->
fadeInSequence();
}
may you please help me
https://jsfiddle.net/t3exdrud/
by the way, it's my very first coding and it would be helpful, if someone gives also advise, if this code causes problems or isn't up to date
You need an outside variable that control if the function is working or not
var fadeSequenceON = false;
function marsch() {
if(!fadeSequenceON){
fadeInSequence();
fadeSequenceON = true;
} else {
$('li').hide();
fadeSequenceON = false;
}
}

why do my onClick functions take two clicks

I've noticed from a few different projects of mine that whenever I click something I add an onClick function to, it always takes two clicks to get them going when a page is freshly loaded. The general structure I use for them is:
function PageChange(){
var welc_p = document.getElementById("welcome");/**gathers page DIVs**/
var page01 = document.getElementById("page01");
var page02 = document.getElementById("page02");
var start = document.getElementById("start_btn");/**gathers buttons**/
var p1_back = document.getElementById("p1_back");
var p1_next = document.getElementById("p1_back");
var p2_back = document.getElementById("p2_back");
var p2_next = document.getElementById("p2_back");
start.onclick=function(){
page01.style.display="block";
welc_p.style.display="none";
window.location="#page01";
};
}/**function**/
then the way I call it in the html is
<div class="some_class" id="start_btn" onClick="PageChange()">!!!LETS GET STARTED!!!</div>
Here's a fiddle of it as well.
https://jsfiddle.net/Optiq/42e3juta/
this is generally how I structure it each time I want to create this functionality. I've seen tons of other posts on here about their items taking 2 clicks to activate but none of them were doing anything near what I was trying to accomplish and it seemed their problem was within their coding. Does anybody know why this is happening?
This is because you are attatching a event handler to your button on click of your button.
This means that one click of the button activates the event handler, not the code within start.onclick=function() {
Then, the second click works becasue the event handler has been activated, and now the code will run.
Try moving your code out of the function, then it will work with just one click
Just had the same issue, and found an easy solution based on the above answer.
Since your function needs two clicks to work, I just called the function above the function and it works fine. This way the function already gets called one time on load, then it gets called the second time when you click it.
yourFunction();
function yourFunction(){
-- content --
}
I also had the same 2 clicks required on intitial interaction and after many searches couldn't find the best solution for my specific nav menu. I tried this solution above but couldn't get it to work.
Stumbled upon this code from a youtube example and it solved my issue. I wanted to nest submenu's for multiple levels and modified it from its original implementation to work best for my responsive mobile menu.
var a;
function toggleFirstLevelMobileSubMenu(){
if(a==1){
document.getElementById("mobile-sub-menu-depth-1").style.display="none";
return a=0;
}
else {
document.getElementById("mobile-sub-menu-depth-1").style.display="flex";
return a=1;
}
}
var b;
function toggleSecondLevelMobileSubMenu(){
if(b==1){
document.getElementById("mobile-sub-menu-depth-2").style.display="none";
return b=0;
}
else {
document.getElementById("mobile-sub-menu-depth-2").style.display="flex";
return b=1;
}
}
Of course, in the CSS I had display: none set for both ID's.
First, the problem:- On first click instead of running js your browser runs the button aka the event.
Solution:- in order to resolve this we need to make sure our function is already before the event is run (this is one of the ways to solve the problem). To achive this we need to load the function aka call the function in some way.
So, i just simply called the function after function is completed.
Code answer-
Just add at the end of your code
PageChange();

dont know why touch events triggered twice

I'm using Jquery Mobile, and my touch events are being triggered twice. At first I thought it might be an overlap between mouse events and touch events, but I tried to unbind mouse events on tablets/smartphones and the events are still being triggered twice.
Here is my code
//Tablet Features
var eventType = {
swipeleft: '-=100',
swiperight: '+=100'
}
$('#navMenu').bind('swipeleft swiperight',
function(e) {
$('#prbBtnHolder').animate({left:eventType[e.type]});
//alert(e.type);
}
);
//Device Detection
(function () {
var agent = navigator.userAgent.toLowerCase();
var isDevice = agent.match(/android/i);
if (isDevice == 'android') {
//alert(isDevice);
$('*').unbind('mousedown').unbind('mouseout').unbind('mousemove').unbind('mouseup');
}
})();
I've been trying to figure this out for a while, please help if you have any ideas.
UPDATE
I managed to solve the problem locally by placing the touch handlers outside the .ready() method. However, when i run the page on the server, the double trigger happens again. Now I'm completely stumped. Why are two identical pages (literally identical) behaving differently locally and on the server?
I had the same problem and fixed it with a little tweak around... I don't recommend this for the exact solution but my take you out of the problem fast.
I define a global Flag
var bDidPan=true;
and inside the trigger wrote the following:
if (bDidPan) {
bDidPan = false; // IT'S IMPORTANT TO PUT THIS FIRST
//code to execute when triggers
}
else
{
bDidPan = true;
}
and that did the trick. You can do the trick with numbers (It worked better with numbers for me!)
Hope it helps!
This sounds like you're putting your scripts into the <body> tag. If you do that, they'll get run twice. I've had this very same thing happen and went a little balder for the trouble and frustration. Make sure all your scripts are inside the <head> tag.

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