jQuery to loop through elements with the same class
JavascriptJqueryJquery SelectorsJavascript Problem Overview
I have a load of divs with the class testimonial
and I want to use jquery to loop through them to check for each div if a specific condition is true. If it is true, it should perform an action.
Does anyone know how I would do this?
Javascript Solutions
Solution 1 - Javascript
Use each: 'i
' is the postion in the array, obj
is the DOM object that you are iterating (can be accessed through the jQuery wrapper $(this)
as well).
$('.testimonial').each(function(i, obj) {
//test
});
Check the api reference for more information.
Solution 2 - Javascript
try this...
$('.testimonial').each(function(){
//if statement here
// use $(this) to reference the current div in the loop
//you can try something like...
if(condition){
}
});
Solution 3 - Javascript
It's pretty simple to do this without jQuery these days.
Without jQuery:
Just select the elements and use the .forEach()
method to iterate over them:
const elements = document.querySelectorAll('.testimonial');
Array.from(elements).forEach((element, index) => {
// conditional logic here.. access element
});
In older browsers:
var testimonials = document.querySelectorAll('.testimonial');
Array.prototype.forEach.call(testimonials, function(element, index) {
// conditional logic here.. access element
});
Solution 4 - Javascript
Try this example
Html
<div class="testimonial" data-index="1">
Testimonial 1
</div>
<div class="testimonial" data-index="2">
Testimonial 2
</div>
<div class="testimonial" data-index="3">
Testimonial 3
</div>
<div class="testimonial" data-index="4">
Testimonial 4
</div>
<div class="testimonial" data-index="5">
Testimonial 5
</div>
When we want to access those divs
which has data-index
greater than 2
then we need this jquery.
$('div[class="testimonial"]').each(function(index,item){
if(parseInt($(item).data('index'))>2){
$(item).html('Testimonial '+(index+1)+' by each loop');
}
});
Solution 5 - Javascript
you can do it this way
$('.testimonial').each(function(index, obj){
//you can use this to access the current item
});
Solution 6 - Javascript
jQuery's .eq() can help you traverse through elements with an indexed approach.
var testimonialElements = $(".testimonial");
for(var i=0; i<testimonialElements.length; i++){
var element = testimonialElements.eq(i);
//do something with element
}
Solution 7 - Javascript
divs = $('.testimonial')
for(ind in divs){
div = divs[ind];
//do whatever you want
}
Solution 8 - Javascript
I may be missing part of the question, but I believe you can simply do this:
$('.testimonial').each((index, element) => {
if (/* Condition */) {
// Do Something
}
});
This uses jQuery's each method: https://learn.jquery.com/using-jquery-core/iterating/
Solution 9 - Javascript
You can do this concisely using .filter
. The following example will hide all .testimonial divs containing the word "something":
$(".testimonial").filter(function() {
return $(this).text().toLowerCase().indexOf("something") !== -1;
}).hide();
Solution 10 - Javascript
With a simple for loop:
var testimonials= $('.testimonial');
for (var i = 0; i < testimonials.length; i++) {
// Using $() to re-wrap the element.
$(testimonials[i]).text('a');
}
Solution 11 - Javascript
Without jQuery updated
document.querySelectorAll('.testimonial').forEach(function (element, index) {
element.innerHTML = 'Testimonial ' + (index + 1);
});
<div class="testimonial"></div>
<div class="testimonial"></div>
Solution 12 - Javascript
$('.testimonal').each(function(i,v){
if (condition) {
doSomething();
}
});
Solution 13 - Javascript
In JavaScript ES6 .forEach()
over an array-like NodeList collection given by Element.querySelectorAll()
document.querySelectorAll('.testimonial').forEach( el => {
el.style.color = 'red';
console.log( `Element ${el.tagName} with ID #${el.id} says: ${el.textContent}` );
});
<p class="testimonial" id="1">This is some text</p>
<div class="testimonial" id="2">Lorem ipsum</div>
Solution 14 - Javascript
You could use the jQuery $each method to loop through all the elements with class testimonial. i => is the index of the element in collection and val gives you the object of that particular element and you can use "val" to further access the properties of your element and check your condition.
$.each($('.testimonal'), function(i, val) {
if(your condition){
//your action
}
});
Solution 15 - Javascript
More precise:
$.each($('.testimonal'), function(index, value) {
console.log(index + ':' + value);
});