jQuery [name$=”value”] Selector

Posted in jQuery Tutorial

Updated on Oct 30, 2024

By Mari Selvan

👁️ 36 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

🙋 Introduction

jQuery offers a wide array of selectors to target specific elements within a web page, allowing developers to manipulate them efficiently. One such selector is the [name$=”value”] selector, which enables you to target elements with attributes ending with a specified value. Understanding and utilizing this selector effectively can significantly enhance your ability to manipulate and interact with elements on your web page.

In this guide, we'll explore the jQuery [name$=”value”] selector with clear examples to illustrate its usage and potential.

🧠 Understanding [name$=”value”] Selector

The [name$=”value”] selector targets elements with attributes that end with a specific value. It is particularly useful when you want to select elements based on the ending portion of their attribute values.

💡 Syntax

The syntax for the [name$=”value”] selector is straightforward:

syntax.js

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$("[name$='value']")

📝 Example

Selecting Elements by Attribute Ending:

Suppose you have a set of input fields with IDs ending with "Email", and you want to select them using jQuery. You can achieve this using the [name$=”value”] selector as follows:
index.html
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```
<input type="text" id="usernameEmail">
<input type="text" id="passwordEmail">
<input type="text" id="email">
```
example.js
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```
$("[id$='Email']").css("border", "2px solid red");
```
This will apply a red border to input fields with IDs ending with "Email" (usernameEmail and passwordEmail).
Filtering Elements in a Form:

You can use the [name$=”value”] selector to filter elements within a form based on their attributes. For example, let's select all input fields within a form that have names ending with age:
index.html
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```
<form id="myForm">
  <input type="text" name="firstName">
  <input type="text" name="lastName">
  <input type="text" name="age">
</form>
```
example.js
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```
$("#myForm [name$='age']").css("background-color", "lightblue");
```
This will set the background color of the input field with the name ending with age to light blue.
Dynamically Updating Elements with Dynamic IDs:

If you have dynamically generated elements with IDs or names ending with a specific pattern, the [name$=”value”] selector can help you target and manipulate them easily.
Enhancing Form Validation:

You can use the [name$=”value”] selector in combination with jQuery validation plugins to enhance form validation by targeting specific input fields based on their attributes' ending values.

🎉 Conclusion

The jQuery [name$=”value”] selector provides a powerful means to target elements based on the ending portion of their attribute values, opening up a myriad of possibilities for element manipulation and interaction. Whether you're filtering elements within a form, dynamically updating elements with dynamic IDs, or enhancing form validation, this selector offers an efficient solution.

By mastering its usage, you can streamline your development process and create more dynamic and responsive web pages effortlessly.