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How to Use Values In Mustache Loop At Jquery?

4 minutes read

To use values in a Mustache loop with jQuery, you would first need to define your data as an array of objects. Then, you can use the Mustache.js library along with jQuery to render the data into your HTML template using a Mustache loop. This loop will iterate over each object in the array and render the values into the corresponding placeholders in your HTML template. By combining Mustache.js with jQuery, you can create dynamic and data-driven content on your website or web application.


How to access values in mustache loop in jQuery?

To access values in a Mustache loop in jQuery, you can use the .each() function to iterate over the objects in the loop. Here's an example:


Assuming you have a Mustache template like this:

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{{#people}}
  <p>Name: {{name}}, Age: {{age}}</p>
{{/people}}


And you have an array of objects with people data:

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var data = {
  people: [
    { name: 'John', age: 30 },
    { name: 'Jane', age: 25 }
  ]
};


You can render the template using Mustache and jQuery like this:

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var template = $('#template').html();
var html = Mustache.render(template, data);
$('#output').html(html);


To access the values in the loop, you can use jQuery's .each() function like this:

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$('#output p').each(function() {
  var name = $(this).find('.name').text();
  var age = $(this).find('.age').text();
  
  console.log('Name:', name, 'Age:', age);
});


This code snippet will iterate over each <p> element in the output and extract the name and age values from it. You can then use these values in whatever way you need within your jQuery code.


How to count values in mustache loop using jQuery?

To count values in a mustache loop using jQuery, you can use the following approach:

  1. Iterate over the elements in the loop using jQuery.
  2. Use the .each() function to loop through each value in the loop.
  3. Increment a counter variable for each value in the loop.
  4. Display the total count of values.


Here's an example code snippet:

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<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>

<h2>Fruits list:</h2>
<ul id="fruits">
  <li>Apple</li>
  <li>Orange</li>
  <li>Banana</li>
</ul>

<h2>Total number of fruits: <span id="total"></span></h2>

<script>
$(document).ready(function() {
  var count = 0;
  
  $('#fruits li').each(function() {
    count++;
  });
  
  $('#total').text(count);
});
</script>

</body>
</html>


In this code snippet, we first iterate over the <li> elements in the #fruits list using the .each() function. For each element, we increment the count variable. Finally, we display the total count of fruits in the #total span element.


What is the scope of values in mustache loop in jQuery?

In jQuery, the scope of values in a mustache loop is based on the data that is being iterated over. The mustache loop will access values from an array or object provided to it, and then render the appropriate output based on those values.


For example, if you have an array of objects like this:

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var data = [
  { name: "Alice", age: 25 },
  { name: "Bob", age: 30 },
  { name: "Charlie", age: 20 }
];


And you are using a mustache loop to display the names of each person in the array:

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<ul>
  {{#data}}
    <li>{{name}}</li>
  {{/data}}
</ul>


In this example, the mustache loop will iterate over each object in the data array, and for each object it will render the name property as the output. The scope of values in the loop is limited to the properties of each object in the array being iterated over.


How to append new values to mustache loop in jQuery?

To append new values to a mustache loop in jQuery, you can simply update the data that is being passed to the template and then re-render the template. Here's an example:

  1. Create a template using Mustache syntax:
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<script id="template" type="x-tmpl-mustache">
{{#items}}
  <div>{{name}}</div>
{{/items}}
</script>


  1. Create some initial data:
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var data = {
  items: [
    { name: 'Item 1' },
    { name: 'Item 2' }
  ]
};


  1. Render the template using Mustache and jQuery:
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var template = $('#template').html();
var html = Mustache.render(template, data);
$('#container').html(html);


  1. Now, if you want to append a new item to the loop, you can update the data object and re-render the template:
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data.items.push({ name: 'Item 3' });
var html = Mustache.render(template, data);
$('#container').html(html);


This will add a new <div> element with the name "Item 3" to the loop in the template.


How to update values in mustache loop with jQuery?

To update values in a Mustache loop using jQuery, you can follow these steps:

  1. Retrieve the data you want to update from the Mustache loop using jQuery selectors.
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var items = $('.item');


  1. Iterate over the items and update the values using jQuery's .text() or .html() method.
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items.each(function(index, element){
  var newValue = 'Updated Value';
  $(element).text(newValue); // Update the text value of the element
});


  1. Trigger the update by calling the .each() method on the jQuery object that represents the Mustache loop elements.
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$('.item').each(function(index, element){
  var newValue = 'Updated Value';
  $(element).text(newValue); // Update the text value of the element
});


By following these steps, you can update the values in a Mustache loop using jQuery.

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