JavaScript Tutorials
- What is Javascript?
- What is BOM?
- What is DOM?
- Variable
- check variable value is empty
- JavaScript Output
- Functions
- Javascript Events
- Input Events
- onchange Event
- Javascript Output methods
- If else statement
- Arrays
- Pattern Validation
- Form Validation
- Inner Html Form Validation
- Inline Form Validation
- Checkbox Validation
- Inline Inner Html Form Validation
- Server side php Validation
- Validate a HTML Form with PHP
- window and window location
- Get Text Value
- Get hidden field value
- JavaScript & PHP
- Date Format
- get php value in javascript
- Redirect page & Autoredirect page
- Auto Refresh page & Div
- How to get select text value from Dropdown box
- How to clear browser history in javascript
- Checkbox Problems
- Select option problems
- Popup Contact Form
- Sidebar Contact Form
- How to use a multistep Form or Form wizard
- Auto Calculate Price
- print Application Form
- Auto Calculate GST in Javascript by select price
- Calculate GST by input value in text box Jquery
- Calculate Discount
- onClick Checkbox
- autofil form data click on checkbox
- Show subcategory list
- Show city list as per state
- Show district list as per country and state
- Show good morning good night wish
- image upload with preview image
- Print Div Content
- Show modal popup on page load
- filter table data usign javascript.
- Character Limit Validation.
- Validate File 5MB Upload
- Validate Special character
- More File Upload
- Call JavaScript Function After Page Load
- Drop Down First option Value Disabled --- Please Select ---
- How to Disable Submit Button After Form Submission
- How to disable browser back button using Jquery?
- How to Remove selected item from second & third dropdown list?
- Interview Questions of JavaScript.
Important Link
Character Limit Validation in javascript.
How to validate character limit in javascript?
File name : index.php
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
</script>
</head>
<body>
<div class="col-md-8">
<textarea class="form-control requireds" id="query_remark" name="query_remark" rows="3" cols="50" onkeyup="ValidatespecialChar(this.id)" maxlength="1500"></textarea><br/>
<span class="required" aria-required="true" style="color:green;">Maximum 1500 characters are allowed</span></br>
<span class="required" id="query_remark_errr" aria-required="true"></span></br>
</div>
<script>
function ValidatespecialChar(id){
var maxLength = 1500;
var yourInput = $('#'+id).val();
re = /[`~!@#$%^&*()?|+\<>\{\}\[\]\\\/]/gi;
var isSplChar = re.test(yourInput);
if(isSplChar){
var no_spl_char = yourInput.replace(/[`~!@#$%^&*()?|+\<>\{\}\[\]\\\/]/gi, '');
$('#'+id).val(no_spl_char);
}
var textlen = maxLength - $('#'+id).val().length;
$('#'+id+'_errr').text(textlen+' Character remaining');
}
</script>
</body>
</html>
File name : index.php
File name : index.php