For a website I\'m doing, I want to load one div, and hide another, then have two buttons that will toggle views between the div using JavaScript.
This is my
Using style:
<style type="text/css">
.hidden {
display: none;
{
.visible {
display: block;
}
</style>
Using an event handler in JavaScript is better than the onclick=""
attribute in HTML:
<button id="RenderPortfolio_Btn">View Portfolio</button>
<button id="RenderResults_Btn">View Results</button>
<div class="visible" id="portfolio">
<span>div1</span>
</div>
<div class"hidden" id="results">
<span>div2</span>
</div>
JavaScript:
<script type="text/javascript">
var portfolioDiv = document.getElementById('portfolio');
var resultsDiv = document.getElementById('results');
var portfolioBtn = document.getElementById('RenderPortfolio_Btn');
var resultsBtn = document.getElementById('RenderResults_Btn');
portfolioBtn.onclick = function() {
resultsDiv.setAttribute('class', 'hidden');
portfolioDiv.setAttribute('class', 'visible');
};
resultsBtn.onclick = function() {
portfolioDiv.setAttribute('class', 'hidden');
resultsDiv.setAttribute('class', 'visible');
};
</script>
jQuery may help you to manipulate DOM elements easy!
I found this question and recently I was implementing some UIs using Vue.js so this can be a good alternative.
First your code is not hiding target
when you click on View Profile. You are overriding the content target
with div2
.
let multiple = new Vue({
el: "#multiple",
data: {
items: [{
id: 0,
name: 'View Profile',
desc: 'Show profile',
show: false,
},
{
id: 1,
name: 'View Results',
desc: 'Show results',
show: false,
},
],
selected: '',
shown: false,
},
methods: {
showItem: function(item) {
if (this.selected && this.selected.id === item.id) {
item.show = item.show && this.shown ? false : !item.show;
} else {
item.show = (this.selected.show || !item.show) && this.shown ? true : !this.shown;
}
this.shown = item.show;
this.selected = item;
},
},
});
<div id="multiple">
<button type="button" v-for="item in items" v-on:click="showItem(item)">{{item.name}}</button>
<div class="" v-if="shown">: {{selected.desc}}</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.7/vue.js"></script>
And the Purescript answer, for people using Halogen:
import CSS (display, displayNone)
import Halogen.HTML as HH
import Halogen.HTML.CSS as CSS
render state =
HH.div [ CSS.style $ display displayNone ] [ HH.text "Hi there!" ]
If you "inspect element", you'll see something like:
<div style="display: none">Hi there!</div>
but nothing will actually display on your screen, as expected.
<script type="text/javascript">
function hide(){
document.getElementById('id').hidden = true;
}
function show(){
document.getElementById('id').hidden = false;
}
</script>
In order to show or hide an element, manipulate the element's style property. In most cases, you probably just want to change the element's display property:
element.style.display = 'none'; // Hide
element.style.display = 'block'; // Show
element.style.display = 'inline'; // Show
element.style.display = 'inline-block'; // Show
Alternatively, if you would still like the element to occupy space (like if you were to hide a table cell), you could change the element's visibility property instead:
element.style.visibility = 'hidden'; // Hide
element.style.visibility = 'visible'; // Show
If you want to hide a collection of elements, just iterate over each element and change the element's display
to none
:
function hide (elements) {
elements = elements.length ? elements : [elements];
for (var index = 0; index < elements.length; index++) {
elements[index].style.display = 'none';
}
}
// Usage:
hide(document.querySelectorAll('.target'));
hide(document.querySelector('.target'));
hide(document.getElementById('target'));
hide(document.querySelectorAll('.target'));
function hide (elements) {
elements = elements.length ? elements : [elements];
for (var index = 0; index < elements.length; index++) {
elements[index].style.display = 'none';
}
}
<div class="target">This div will be hidden.</div>
<span class="target">This span will be hidden as well.</span>
Most of the time, you will probably just be toggling between display: none
and display: block
, which means that the following may be sufficient when showing a collection of elements.
You can optionally specify the desired display
as the second argument if you don't want it to default to block
.
function show (elements, specifiedDisplay) {
elements = elements.length ? elements : [elements];
for (var index = 0; index < elements.length; index++) {
elements[index].style.display = specifiedDisplay || 'block';
}
}
// Usage:
var elements = document.querySelectorAll('.target');
show(elements);
show(elements, 'inline-block'); // The second param allows you to specify a display value
var elements = document.querySelectorAll('.target');
show(elements, 'inline-block'); // The second param allows you to specify a display value
show(document.getElementById('hidden-input'));
function show (elements, specifiedDisplay) {
elements = elements.length ? elements : [elements];
for (var index = 0; index < elements.length; index++) {
elements[index].style.display = specifiedDisplay || 'block';
}
}
<div class="target" style="display: none">This hidden div should have a display of 'inline-block' when it is shown.</div>
<span>Inline span..</span>
<input id="hidden-input" />
Alternatively, a better approach for showing the element(s) would be to merely remove the inline display
styling in order to revert it back to its initial state. Then check the computed display
style of the element in order to determine whether it is being hidden by a cascaded rule. If so, then show the element.
function show (elements, specifiedDisplay) {
var computedDisplay, element, index;
elements = elements.length ? elements : [elements];
for (index = 0; index < elements.length; index++) {
element = elements[index];
// Remove the element's inline display styling
element.style.display = '';
computedDisplay = window.getComputedStyle(element, null).getPropertyValue('display');
if (computedDisplay === 'none') {
element.style.display = specifiedDisplay || 'block';
}
}
}
show(document.querySelectorAll('.target'));
function show (elements, specifiedDisplay) {
var computedDisplay, element, index;
elements = elements.length ? elements : [elements];
for (index = 0; index < elements.length; index++) {
element = elements[index];
// Remove the element's inline display styling
element.style.display = '';
computedDisplay = window.getComputedStyle(element, null).getPropertyValue('display');
if (computedDisplay === 'none') {
element.style.display = specifiedDisplay || 'block';
}
}
}
<span class="target" style="display: none">Should revert back to being inline.</span>
<span class="target" style="display: none">Inline as well.</span>
<div class="target" style="display: none">Should revert back to being block level.</div>
<span class="target" style="display: none">Should revert back to being inline.</span>
(If you want to take it a step further, you could even mimic what jQuery does and determine the element's default browser styling by appending the element to a blank iframe
(without a conflicting stylesheet) and then retrieve the computed styling. In doing so, you will know the true initial display
property value of the element and you won't have to hardcode a value in order to get the desired results.)
Similarly, if you would like to toggle the display
of an element or collection of elements, you could simply iterate over each element and determine whether it is visible by checking the computed value of the display
property. If it's visible, set the display
to none
, otherwise remove the inline display
styling, and if it's still hidden, set the display
to the specified value or the hardcoded default, block
.
function toggle (elements, specifiedDisplay) {
var element, index;
elements = elements.length ? elements : [elements];
for (index = 0; index < elements.length; index++) {
element = elements[index];
if (isElementHidden(element)) {
element.style.display = '';
// If the element is still hidden after removing the inline display
if (isElementHidden(element)) {
element.style.display = specifiedDisplay || 'block';
}
} else {
element.style.display = 'none';
}
}
function isElementHidden (element) {
return window.getComputedStyle(element, null).getPropertyValue('display') === 'none';
}
}
// Usage:
document.getElementById('toggle-button').addEventListener('click', function () {
toggle(document.querySelectorAll('.target'));
});
document.getElementById('toggle-button').addEventListener('click', function () {
toggle(document.querySelectorAll('.target'));
});
function toggle (elements, specifiedDisplay) {
var element, index;
elements = elements.length ? elements : [elements];
for (index = 0; index < elements.length; index++) {
element = elements[index];
if (isElementHidden(element)) {
element.style.display = '';
// If the element is still hidden after removing the inline display
if (isElementHidden(element)) {
element.style.display = specifiedDisplay || 'block';
}
} else {
element.style.display = 'none';
}
}
function isElementHidden (element) {
return window.getComputedStyle(element, null).getPropertyValue('display') === 'none';
}
}
.target { display: none; }
<button id="toggle-button">Toggle display</button>
<span class="target">Toggle the span.</span>
<div class="target">Toggle the div.</div>
You can easily achieve this with the use of jQuery .toggle().
$("#btnDisplay").click(function() {
$("#div1").toggle();
$("#div2").toggle();
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="div1">
First Div
</div>
<div id="div2" style="display: none;">
Second Div
</div>
<button id="btnDisplay">Display</button>