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jQuery doesn't execute when window size change

I just write a script to auto positioning an element on my page.
$(document).ready(function(){
$(window).scroll(function() {
var scroll = $(window).scrollTop();
if (scroll < 180) {
$(".header-bottom").removeClass("scroll-menu");
if ($(window).width() > 991) {
$(".header_user_top").css("position", "absolute");
$(".header_user_top").css("top", "initial");
$(".header_user_top").css("right", "60px");
$(".header_user_top").css("z-index", "1");
}
} else {
$(".header-bottom").addClass("scroll-menu");
if ($(window).width() > 991) {
var rightContainer = ($(window).width() - ($('#header div.header-bottom div.container').offset().left + $('#header div.header-bottom div.container').outerWidth()));
$(".header_user_top").css("position", "fixed");
$(".header_user_top").css("top", "-22px");
$(".header_user_top").css("right", rightContainer+60+"px");
$(".header_user_top").css("z-index", "99");
}
}
});
});
It's working but if I resize browser window the script doesn't reload.
If I refresh the page it's working.
I have add window.onresize = function(){ location.reload(); }to my script to fix this problem but I'm looking for a better solution.
Any idea?

Use on function to call multiple event:
$(window).on("load resize scroll",function(e){
// do something
}

Call function which is handling size on windows.resize also
function handleSize(){
// You code to handle size
}
window.resize=handleSize();

Conditional JavaScript is not working

I am working on a project and I am using bootstrap. I changed the default behavior of onClick to hover, on above 600 and equal to 600 size ( i.e >= 600 screensize) I want to execute the if body. And on less then 600 size of screen I don't want that code to be executed. BUT on less then 600 screen size if body is executed else part(which is by default on click method of bootstrap) is not executed.
if (screen.width >= 600) {
$(function(){
$('ul.nav li.dropdown').hover(function(){
$('.dropdown-menu', this).fadeIn();
},function(){
$('.dropdown-menu', this).fadeOut('fast');
});
});
}

Since explanation is not clear,Hope you want below piece of condition as per my understanding
function sizeFunc(){
var screenWidth = $(window).width();
$('ul.nav li.dropdown').hover(function(){
if(screenWidth >= 600){
$('.dropdown-menu', this).fadeIn();
}
},function(){
if(screenWidth < 600){
$('.dropdown-menu', this).fadeOut('fast');
}
});
}
$(function(){
sizeFunc();//on begin
$(window).on("resize",sizeFunc);//on every window size change
});

How to run a jquery code by scrolling for once

I have a jquery code that I've indicated below. These codes run, When I start scrolling (I mean when the height of scroll is more than 100)
But I want to run just for once, immediately after height of 100, and not to be run more than once.
$(window).scroll(function(){
if ($(window).scrollTop() > 100 ){
//some codes...
}
});
How can I do this? Thank you :)

As soon as your condition is met, unbind the scroll handler:
$(window).scroll(function(){
if ($(window).scrollTop() > 100 ){
//Kill the handler
$(window).off("scroll");
//some codes...
}
});

use
$(window).unbind('scroll');
When you enter first time
$(window).scroll(function(){
if ($(window).scrollTop() > 100 ){
$(window).unbind('scroll');
//some codes...
}
});

Bind the scroll event to $(window), then when scrollTop() > 100, execute your action then unbind the scroll event from $(window)
$(document).ready(function() {
$(window).bind('scroll', function() {
if ($(this).scrollTop() > 100) {
$('body').prepend('Scroll top > 100');
$(window).unbind('scroll');
}
});
});
body { min-height: 1000px }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
http://codepen.io/pen/

ok this can be done with the help of global variable or flag in order to see the effect first put lots of data into the page so that you can see vertical scroll.
<script>
var flag = 0;
$(document).ready(function() {
$(window).scroll(function() {
if (flag == 0) {
if ($(window).scrollTop() > 100) {
alert('1st time');
flag = 1;
}
} else if (flag == 1) {
alert('second time and u can comment this alert');
}
});
});
</script>

The .off() function will stop the function from firing after the first time.
$(document).ready(function () {
$(window).on('scroll.myEvent', function() {
if ($(document.body.scrollTop > 100))
{
$(window).off('scroll.myEvent');
alert('fired');
}
});
});
Example: http://jsfiddle.net/2k3s9jx8/

Detect window width on the fly in jQuery

I am using a template and it come with a jQuery function to detect the window width, but it only works if you open the window up or refresh the page, not when you adjust the window width.. From what IU have read I need to integrate the resize function into my codebase
$(window).resize(function()
but as my jQuery is limited I'm not sure how to put it in this script
var ww = $(window).width();
/* Menu */
$(document).ready(function() {
"use strict";
$('body').find("#mainmenu li a").each(function() {
if ($(this).next().length > 0) {
$(this).addClass("parent");
}
});
$('body').find(".toggleMenu").click(function(e) {
e.preventDefault();
$(this).toggleClass("active");
$('body').find("#mainmenu").toggle();
});
adjustMenu();
});
$(window).load(function () {
$('body').find("#mainmenu").css('pointer-events', 'auto');
});
var adjustMenu = function() {
"use strict";
if (ww < 900) {
$('body').find(".toggleMenu").css("display", "inline-block");
if (!$('body').find(".toggleMenu").hasClass("active")) {
$('body').find("#mainmenu").hide();
} else {
$('body').find("#mainmenu").show();
}
$('body').find("#mainmenu li").unbind('mouseenter mouseleave');
$('body').find("#mainmenu li a.parent").unbind('click').bind('click', function(e) {
e.preventDefault();
$(this).parent("li").toggleClass("hover");
});
}
else if (ww >= 900) {
$('body').find(".toggleMenu").css("display", "none");
$('body').find("#mainmenu").show();
$('body').find("#mainmenu li").removeClass("hover");
$('body').find("#mainmenu li a").unbind('click');
$('body').find("#mainmenu li").unbind('mouseenter mouseleave').bind('mouseenter mouseleave', function() {
$(this).toggleClass('hover');
$(this).toggleClass('activelink');
$(this).find("ul").toggleClass('animatedfast');
$(this).find("ul").toggleClass('fadeInUp');
});
$('body').find("#mainmenu ul li").unbind('mouseenter mouseleave').bind('mouseenter mouseleave', function() {
$(this).toggleClass('hover');
$(this).find("ul li").toggleClass('animatedfast');
$(this).find("ul li").toggleClass('fadeInLeft');
});
}
};
I can see that the logic is taking place in the adjustMenu function, so would I wrap that in the resize function?

Maybe I'm missing something obvious, but why not pull the whole thing out of
$(document).ready ()
Place it in a function
Function doAllOfThis (
//do everything
);
And then call it on document ready?
$(document).ready(function ({
doAllOfThis();
});
$(widow).resize (function ({
doAllOfThis();
});
I don't see anything that would be an issue. But you could just extract the code with "if ww =" conditions and move that to a function, then do as above with the function.
BETTER SOLUTION
Just noticed the
adjustMenu();
Function is already set for you, so add
$(window).resize(function({
var ww = $(window).width();
adjustMenu();
});

Utilize the resize event.
$(window).resize(function() {
var ww = $(window).width(); // will contain width after resize
// your adjust logic here
});

Responsive jquery click function

i want for specific width, specific click animations but it's not working. Why?
Here an example:
From 0 - 959px > anim1 From 960 - 1279px > anim2 From 1280 - 1699 > anim3 From 1700 - open end > anim4
Here is my Code:
$(document).ready(function(){
if ($(window).width() > 959) {
$("#mains").click(function(){
anim1();
});
}
});
$(document).ready(function(){
if ($(window).width() > 1279) {
$("#mains").click(function(){
anim2();
});
}
});
$(document).ready(function(){
if ($(window).width() > 1699) {
$("#mains").click(function(){
anim3();
});
}
});
$(document).ready(function(){
if ($(window).width() < 1700) {
$("#mains").click(function(){
anim4();
});
}
});

You are binding the animation on $(document).ready() based on the screen size. For example when the DOM is ready and the window width is less than 1700 only the function with anim4() will be used. What you need to do is place the window width check inside a single binding.
For example:
$(document).ready(function(){
$("#mains").click(function() {
if ($(window).width() < 959) {
// do something
} else if ($(window).width() < 1700) {
// do something else, etc.
}
});
});

It seems you have mistaken the conditionals. Also you can use just one document ready event handler and use an if else if statement to distinguish between cases. The statements should specifically set the width borders. Something like:
if ($(window).width() < 969 ) {
anim1();
} else if ($(window).width() >= 970 && $(window).width() < 1200) {
anim2();
}
The widths are as everyone can see examplary.
Except that there could be errors in anim* functions, but those errors would definitely mess up the code.

You are binding events on the basis of width size. I would recommend to check width in event handler and perform action accordingly
$(document).ready(function () {
$("#mains").click(function () {
if ($(window).width() > 959) {
anim1();
}
if ($(window).width() > 1279) {
anim2();
}
if ($(window).width() > 1699) {
anim3();
}
if ($(window).width() < 1700) {
anim4();
}
});
});

Read through your existing code and think about what it will do if the window width happens to be 1750:
Your first if test with > 959 will be true so it will bind a click handler that does anim1().
The second if test with > 1279 will also be true so it will bind another click handler that does anim2().
The > 1699 test would also be true, binding a third click handler that does anim3().
The fourth if test would be false since it has < rather than >, but in fact for a width of 1750 you want anim4() to run.
So then a click would call the first three animations.
What you need is an if/else if/else if/else structure so that only one of the four animX() functions is used. Also you probably want to do the test inside the click handler so that it uses the window width at the time of the click, not the width at the time the page loads. So:
$(document).ready(function() {
$("#mains").click(function() {
var w = $(window).width();
if (w < 960)
anim1();
else if (w < 1280)
anim2();
else if (w < 1700)
anim3();
else
anim4();
});
});
Note that at the beginning of the click handler I've put the $(window).width() into the (imaginatively named) w variable to save having to repeat those two function calls in the else if statements.

Try
$(document).ready(function(){
if ($(window).width() > 1699) {
anim3();
}else if($(window).width() > 1279){
anim2();
}else if($(window).width() > 959){
anim1();
}
});