Query if else if else check true? - javascript

Hello i want to check if a div has the class active.
the first item works, after that it stops. Can someone tell me how to fix this?
(Its a slider, so it has to work not on click.) It slides automatic.
http://i61.tinypic.com/28h2zb6.jpg
<script>
$(document).ready(function () {
if ($('#211').hasClass('item active')){
$('.vandaag').css("background-color", "blue");
console.log("werkt1!");}
else if ($('#218').hasClass('item active')){
$('.vandaag').css("background-color", "#005993");
console.log("werkt2!");}
else if ($('#219').hasClass('active')){
$('.vandaag').css("background-color", "#005993");
console.log("werkt3!");}
});
</script>
the number is the id of the image slider. and the .item .active is when the slide is active.
Greetz

Don't use else if, because it stops after the first block works.
Instead use if() { } blocks.
$(document).ready(function() {
if ($('#211').hasClass('item active')) {
$('.vandaag').css("background-color", "blue");
console.log("Works!");
}
if ($('#218').hasClass('item active')) {
$('.vandaag').css("background-color", "#005993");
console.log("works2!");
}
if ($('#219').hasClass('active')) {
$('.vandaag').css("background-color", "#005993");
console.log("works3!");
}
});

You do not need else condition if you want multiple conditions to be executed:
$(document).ready(function () {
if ($('#211').hasClass('item active')){
$('.vandaag').css("background-color", "blue");
console.log("Works!");}
if ($('#218').hasClass('item active')){
$('.vandaag').css("background-color", "#005993");
console.log("works2!");}
if ($('#219').hasClass('active')){
$('.vandaag').css("background-color", "#005993");
console.log("works3!");}
});

Related

Jquery how to add a class containing two dashes?

I have a simple page which toggles the visibility of departments, with a nice icon to show whether or not it is visible.
I am using font-awesomes icons "fa-eye" and "fa-eye-slash"
Problem is when using addClass jquery ignores the second "-" making
$(this).addClass("fa-eye-slash")
Add the class "fa-eye".
Its very strange and i've never encountered something like this with jquery. Please can someone assist me on how to overcome/work around this.
heres the fiddle http://jsfiddle.net/m5cdpnhk/
Thanks
You have two if conditions which run one after the other.
If the first if runs, then one of the things it does is $(elm).addClass('fa-eye-slash');.
The second if condition is if ($(elm).hasClass("fa-eye-slash")) so if the first if runs then the second will always run.
You need an else statement.
$(elm).addClass('fa-eye-slash');
} else if ($(elm).hasClass("fa-eye-slash")) {
$(elm).removeClass("fa-eye-slash");
Add an else option (the problem is the two if without the else in this case)
$(".box-body ul li i").click(function () {
var elm = $(this);
if ($(elm).hasClass("fa-eye")) {
$(elm).removeClass("fa-eye");
$(elm).css("color", "red");
$(elm).addClass('fa-eye-slash');
}else{
//if ($(elm).hasClass("fa-eye-slash")) {
$(elm).removeClass("fa-eye-slash");
$(elm).addClass("fa-eye");
$(elm).css("color", "green");
//}
}
});
or toggle the class
.red:before{
color:red
}
.green:before{
color:green;
}
$(".box-body ul li i").click(function () {
var elm = $(this);
$(elm).toggleClass("fa-eye").toggleClass("red");
$(elm).toggleClass("fa-eye-slash").togglesClass("green");
});
i don't know why your code don't work but try this :
$(".box-body ul li i").click(function () {
var elm = $(this);
if ($(elm).hasClass("fa-eye")) {
$(elm).removeClass("fa-eye");
$(elm).css("color", "red");
$(elm).addClass('fa-eye-slash');
}else{
$(elm).removeClass("fa-eye-slash");
$(elm).addClass("fa-eye");
$(elm).css("color", "green");
}
});
http://jsfiddle.net/m5cdpnhk/2/
You have done mistake.you have to place "else if" at second if condition.
if ($(elm).hasClass("fa-eye")) {
$(elm).removeClass("fa-eye");
$(elm).css("color", "red");
$(elm).addClass('fa-eye-slash');
}
else if ($(elm).hasClass("fa-eye-slash")) {
$(elm).removeClass("fa-eye-slash");
$(elm).addClass("fa-eye");
$(elm).css("color", "green");
}

Jquery custom css on odd / even clicks

I want to rotate an object with .css
First click: 180°
Second click: back to normal position (+180°)
Now i need a function, to detect, if the current click is even or odd ...
Tried it with this:
$(function() {
$(".board-element").find(".category div").click(function() {
$(this).parent().parent().find(".board-boards").slideToggle(1000);
var clicks = $(this).data('clicks');
if (clicks) {
$(this).css("transform", "none");
} else {
//first click
$(this).css("transform", "rotate(180deg)");
}
});
});
It works fine, i klick on the element, the object rotates ...
But when i click again, nothing happens ...
I hope you can understand my problem,
Thanks :)
Cleaner approach would be toggling class name so you don't have to deal with click counts:
$(".board-element").find(".category div").click(function() {
$(this).parent().parent().find(".board-boards").slideToggle(1000);
$(this).toggleClass('rotate');
});
CSS:
.rotate {
transform: rotate(180deg);
}
Additional benefit is that if you decide to support vendor prefixes you don't have to change javascript code for this, just extend CSS.
You do not seem to be setting a data('clicks') value anywhere...
$(function() {
$(".board-element").find(".category div").click(function() {
$(this).parent().parent().find(".board-boards").slideToggle(1000);
var clicks = $(this).data('clicks');
// Save the new flag value
$(this).data('click', true);
if (clicks) {
$(this).css("transform", "none");
} else {
//first click
$(this).css("transform", "rotate(180deg)");
}
});
});
Notes:
You should avoid things like .parent().parent() and use closest('.board-element') or similar instead.
#dfsq has posted a cleaner solution. This one was just to explain where you went wrong :)
You could use a trigger variable, that changes its value after animation 2 directions (you have to inizialize it ouside the function):
var already_turned = false;
$(function() {
$(".board-element").find(".category div").click(function() {
$(this).parent().parent().find(".board-boards").slideToggle(1000);
var clicks = $(this).data('clicks');
if (clicks && already_turned) {
$(this).css("transform", "none");
already_turned = false;
} else {
//first click
$(this).css("transform", "rotate(180deg)");
already_turned = true;
}
});
});

jQuery menu does not show/hide

I have a little problem with this jquery code:
If I call the openMenu function, directly, it works, but inside the if it does not.
$(document).ready(function() {
function checkMenu() {
if($(this).find('ul').css('display') == 'none') {
openMenu();
} else {
closeMenu();
}
}
function openMenu() {
$(this).find('ul').css({display: "block"});
}
function closeMenu() {
$(this).find('ul').css({display: "none"});
}
$('ul li:has(ul)').click(checkMenu);
});
You could make it easy on yourself and use toggle()
$('ul li:has(ul)').click(function(){
$(this).find('ul').toggle();
});
http://api.jquery.com/toggle/
why don't you use .toggle() ? such as:
$(this).find('ul').toggle();
Also you can set the toggle speed either using slow, normal, fast:
$(this).find('ul').toggle('fast');
openMenu doesn't know what "this" is referring to. This should work...
$(document).ready(function() {
function checkMenu() {
var me = $(this);
if(me.find('ul').css('display') == 'none') {
openMenu(me);
} else {
closeMenu(me);
}
}
function openMenu(me) {
//this isn't defined..
me.find('ul').css({
display: "block"
});
}
function closeMenu(me) {
me.find('ul').css({
display: "none"
});
}
$('ul li:has(ul)').click(checkMenu);
});
But the others are right. The toggle function would work really well for something like this.

Link style with javascript

I have this code for hiding\showing link depends on state of cBoxoverlay. But when i click to close this item(display:none), and then click again to show it(display:block) my link(#close-news) still not showing.
jQuery(document).click(function () {
if (jQuery("#cBoxOverlay").css("display", "none")) {
jQuery("#close-news").css("display", "none");
} else if (jQuery("#cBoxOverlay").css("display", "block")) {
jQuery("#close-news").css("display", "block");
Where did i make mistake?
try this - no need for if statements. You can just set the #close-news to whatever #cBoxOverLay is
$(document).click(function () {
$("#close-news").css("display", $("#cBoxOverlay").css('display'));
}
Use classes, does a cleaner job.
In case you don't want to use classes, try to use jQuery's toggle, which does basically exactly what you try to achieve: http://api.jquery.com/toggle/
Use is(":visible") to check if the element is visible, and then either show or hide...
jQuery(document).click(function () {
if (jQuery("#cBoxOverlay").is(":visible")) {
jQuery("#close-news").hide();
} else {
jQuery("#close-news").show();
}
});
You can try:
if ($("#cBoxOverlay").css("display") == "none") {
// ...
}
however you can use is method:
if ( $("#cBoxOverlay").is(':hidden')) {
// ...
}
$(document).click(function(){
if ($("#cBoxOverlay").is(":hidden")) { // if #cBoxOverlay is hidden
$("#close-news").hide() // hide the #close-news
} else if ($("#cBoxOverlay").is(":visible")) { // if #cBoxOverlay is visible
$("#close-news").show() // // show the #close-news
}
})
you can remove the the second condition and use else instead as when element is not hidden it is visible, of course.
Try this, based on #Raminson's answer:
$(document).click(function () {
if ($("#cBoxOverlay").is(':hidden')) {
$("#close-news").css("display", "none");
} else{
$("#close-news").css("display", "block");
May be give a try on this one, too:
$(document).click(function(){
$('#close-news').css('display', function(){return $('#cBoxOverlay').css('display');});
});

Jquery fadein and fadeout script not working

This function should fadeIn the id="Box" when class="display" is clicked if the Box is not animated and has a display value of none Or fadeOut if the #Box had a display value of is not none. What is wrong?
$(document).ready(function() {
$('.display').click(function() {
var currentDisplayValue = $('#Box').css('display');
if (':animated') {
stop()
};
else if (currentDisplayValue == 'none') {
$('#Box').fadeIn("slow");
};
else {
$('#Box').fadeOut("slow");
};
});
Thanks
Try:
$(function() {
$(".display").click(function() {
var box = $("#Box");
if (box.is(":animated")) {
box.stop();
} else if (box.is(":hidden") {
box.fadeIn("slow");
} else {
box.fadeOut("slow");
}
});
});
You've got some syntax errors (eg semi-colons after the curly braces) and stop() needs to be applied to a jquery set. Lastly, don't check the current display CSS value like you're doing. Use the :hidden selector instead.

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