Develop Reference

Button to clear input value

I am trying to make a button (id="delete") that will clear any text entered in my field (id="input"), I have made a function and button, however after pressing the button nothing happens. Can't find the issue, the console also doesn't give any errors. Will be thankful for your assistance.
HTML:
<span contenteditable="true" ><p id="input"></p></span>
<button id="delete">Delete Data</button>
JS:
const trigger = document.getElementById("delete");
trigger.value = '';
Thanks!

If you want to take action when a button is clicked, you should listen for its "click" event.
document.querySelector("#delete").addEventListener('click', () => {
document.getElementById("input").innerHTML = ''
})

Best way to combine multiple functions for clarity?

I have a text input box which does 3 things, it begins with the button 'Report A Bug' when it is closed, upon clicking it opens a text box & the Report A Bug button becomes 'Close'. I now want to combine the code from all JS below to work with with the following HTML Button, but I can't see a clear way to move forward on this. When I've tried my functionality has disappeared, or button simply no longer changes text.
Button HTML.
<button id="myBtnToReportABug" onclick="toggleReportForm()" type="button" class="btn btn-secondary float-right">{{#if report_form_closed }} Report A Problem {{else}} Close {{/if}}</button> </div>
JS:
// changes text on 'report problem' button when form open
function change() {
var theButton = document.getElementById("myBtnToReportABug");
if (theButton.innerHTML == "Close")
theButton.innerHTML = "Report A Problem";
else
theButton.innerHTML = "Close";
}
// clears text field onclick
function clearFields() {
document.getElementById("nameInput").value = "";
}
// changes text on 'submit' back to original button text when report is made
function changeSecond() {
var theButton = document.getElementById("myBtnToReportABug");
if (theButton.innerHTML == "Close")
theButton.innerHTML = "Report A Problem";
}
function toggleReportForm() {
var report_form_closed = document.getElementById("myBtnToReportABug");
}

try using addEventListener;
eg.
function callback(){
//all the functions call them here
}
document.getElementById("myBtnToReportABug").addEventListener(callback)

Keep a button active even after page change

I'm trying to keep the selected button active after the button is clicked, which changes the page. My current setup is
HTML:
<a class="btn btn-default nav" id="btn" type="button" href="index.php?mode=option">Option</a>
JS:
$(function() {
//Variable of previously selected
var selected = [];
//Setup Buttons
$('.nav').button().click(function() {
//Enable previous
if(selected[0]) {
selected.button('enable').removeClass('active');
}
//Cache the previous
selected = $(this);
//Disable this and keep color attributes
selected.button('disable').addClass('active');
//Do Normal Button Click Stuff Here
$('#data').text(selected.text() + ' was clicked');
});
$('#btn').click();
});
Currently all this does is the button Option is active, I click another, it changes to active but then it goes back to Option being active.
I'd also like to be able to use this JS without having to have nav in the class of the button.

adding and removing a class upon slidetoggle

I have created a 3 x 2 grid of squareish buttons that are monotone in colour. I have a slidetoggle div that pops down inbetween both rows of 3 and as it does so it pushes the content down of the rest of hte page, this is all working perfectly so far.
But i have made a class (.active) thats css is the same as the :hover state so that when i hover over a button the coloured version replaces the monotone version, however i have tried to add some js to make the colour (.active) stay on once i have clicked on a certain button so that you can see which button (product) the slidedown div relates to and the rest are still in monotone around it...
The .active code below works perfectly to turn the bottons colour on and off when you click that one button, but i have set it up so that if one button's div is open and you click on a different one, the open one closes and then the new one opens. This feature however throws off the balance of the code i have for the .active state here. When you have say button 1 open and you click button 1 to close, this works fine, the color goes on and then off, but if yo uhave button 1 open and click on button 2, button 1's div closes and opens button 2's div but then botton 1 stays in colour as button 2 turns to colour. the order is thrown off...
I need to add some js to say, that only one button can be in color (.active) at a time, or that if one is .active it must be turned off before the new one is turned on... Please help :)
$(document).ready(function(){
$("a.active").removeClass('active'); //<<this .active code &
$("#product1").click(function(){
if($(this).parent('a').hasClass('active')){ //<<<this .active code
$(this).parent('a').removeClass('active'); //<<
}else{ //<<
$(this).parent('a').addClass('active'); //<<
} //<<
$("#product2box").slideUp('slow', function() {
$("#product3box").slideUp('slow', function() {
$("#product4box").slideUp('slow', function() {
$("#product5box").slideUp('slow', function() {
$("#product6box").slideUp('slow', function() {
$("#product1box").stop().slideToggle(1000);
//do i need
//something here??
});
});
});
});
});
});
And here is the HTML
<div id="row1">
<a href="#!" class="active"><span id="product1">
<div id="productblueheader">
<div id="productlogosblue1"></div>
</div>
<div id="productstitle">Stops all spam and unwanted email.</div>
<div id="producttext">With over 8 million users ******* is the leading in anit-spam software on the market today! Sort all your spam issues in one place now!</div>
</span></a>
<a href="#!" class="active"><span id="product2">
<div id="productblueheader">
<div id="productlogosblue2"></div>
</div>
<div id="productstitle">The easiest email encryption ever.</div>
<div id="producttext">In todays world, we won’t enter personal details in to untrusted websites, but we send personal information via regular (insecure) email all the time.</div>
</span></a>
<a href="#!" class="active"><span id="product3">
<div id="productblueheader">
<div id="productlogosblue3"></div>
</div>
<div id="productstitle">The easiest email encryption ever.</div>
<div id="producttext">****** is a revelation in security and ease of use. Get the best protection against viruses, spyware, scam websites and other threats.</div>
</span></a>
</div>
(then the same for row2 products 4-6)

you use .each() method of jquery and find .active class to remove it,
and then add .active class.
$(this).parent('a').each(function(){
$(this).removeClass('active');
});
$(this).parent('a').addClass('active');

This ought to work, but I couldn't test it without the relevant HTML:
$(document).ready(function () {
$("#product1").click(function () {
$("a.active").removeClass('active');
$(this).parent('a').toggleClass('active'));
$("#product2box").slideUp('slow', function () {
$("#product3box").slideUp('slow', function () {
$("#product4box").slideUp('slow', function () {
$("#product5box").slideUp('slow', function () {
$("#product6box").slideUp('slow', function () {
$("#product1box").stop().slideToggle(1000);
});
});
});
});
});
});
});
Also, there would probably be a better way to write all those sliding up functions. Do they really need to go on by one by the way?

$(document).ready(function() {
$(".producthandler").click(function() {
var ctx = $(this);
var productboxId = ctx.children().eq(0).attr("id");
ctx.toggleClass('active');
$("#" + productboxId + "box").stop().slideToggle(1000);
$(".producthandler").each(function() {
var ctx = $(this);
var producthandlerId = ctx.children().eq(0).attr('id');
if (productboxId !== producthandlerId) {
ctx.removeClass('active');
$("#" + producthandlerId + "box").slideUp(1000);
}
});
});
});

CSS/Javascript Mouseover Popup box

I have table cell with a javascript/css content box that pops up upon mouseover.
There are 20 cells on the page. Everything is working correctly, in that when you mouseover the product link, you see the content box. However, I want to put a LINK inside the content box that the user can click on if they choose. So, the popup box has to stay up long enough for the user to mouseover to click the link.
Really, I want the OnMouseOver to stay open until either a second or two has gone by and/or the user OnMouseOver's another cell.
The problem I'm having is that the pop up box doesn't stay open (due to OnMouseOut) to click the link. If I turn OnMouseOut off (which I tried), then all the pop up boxes just stay open, so this doesn't do the job either.
My CSS looks like this:
<style type="text/css" title="">
.NameHighlights {position:relative; }
.NameHighlights div {display: none;}
.NameHighlightsHover {position:relative;}
.NameHighlightsHover div {display:block;position:absolute;width: 15em;top:1.3em;*top:20px;left:70px;z-index:1000;}
</style>
And the html:
<td>
<span class="NameHighlights" onMouseOver="javascript:this.className='NameHighlightsHover'" onMouseOut="javascript:this.className='NameHighlights'">
Product 1
<div>
# of Votes: 123<br>
% Liked<br>
<a href="product review link>See User reviews</a>
</div>
</span>
</td>
So, how can I make the pop up box stay open long enough to click on the link, but also make it disappear if another content box is activated?
Thanks in advance.

You have to improve your HTML markup for this task, need to get rid of inline event handlers:
<span class="NameHighlights">
Product 1
<div>
# of Votes: 123<br>
% Liked<br>
See User reviews
</div>
</span>
Then you have to bind your events to all .NameHighlights spans:
var span = document.querySelectorAll('.NameHighlights');
for (var i = span.length; i--;) {
(function () {
var t;
span[i].onmouseover = function () {
hideAll();
clearTimeout(t);
this.className = 'NameHighlightsHover';
};
span[i].onmouseout = function () {
var self = this;
t = setTimeout(function () {
self.className = 'NameHighlights';
}, 300);
};
})();
}
http://jsfiddle.net/3wyHJ/
So the idea is to use setTimeout method.
Notes: I used querySelectorAll which is not supported by IE7, if you need to support it then you can use any of implementations of the getElementsByClassName method.

In case anyone is looking for a jQuery version of the accepted answer:
var t;
$(function(){
$('span.NameHighlights').mouseover(
function(e){
hideAll();
clearTimeout(t);
$(this).attr('class', 'NameHighlightsHover');
}
).mouseout(
function(e){
t = setTimeout(function() {
//$(this).attr('class', 'NameHighlights');
hideAll();
}, 300);
}
);
});
function hideAll() {
$('span.NameHighlightsHover').each(function(index) {
console.log('insde hideAll');
$(this).attr('class', 'NameHighlights');
})
};
jsFiddle