Created
July 12, 2018 07:59
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Auto Fill input field when typed without losing cursor position - HTML, Javascript & Jquery
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Input Fill</title> | |
| </head> | |
| <body> | |
| <input placeholder="Company name option" id="company_name_valid" type="text"> | |
| </body> | |
| <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script> | |
| <script type="text/javascript"> | |
| /* Input Field AUto fill Pvt Limited */ | |
| var $dynamicfield = $('#company_name_valid'); | |
| function setCaretPosition(elemId, caretPos) { | |
| var elem = document.getElementById(elemId); | |
| if(elem != null) { | |
| if(elem.createTextRange) { | |
| var range = elem.createTextRange(); | |
| range.move('character', caretPos); | |
| range.select(); | |
| } | |
| else { | |
| if(elem.selectionStart) { | |
| elem.focus(); | |
| elem.setSelectionRange(caretPos, caretPos); | |
| } | |
| else | |
| elem.focus(); | |
| } | |
| } | |
| } | |
| $dynamicfield.keyup(function(){ | |
| var getnewval = $dynamicfield.val(); | |
| var getfieldlength = $dynamicfield.val().length; | |
| if(getfieldlength == 1){ | |
| var getcursorposition = document.getElementById('company_name_valid').selectionEnd; | |
| $dynamicfield.val(getnewval+" Private Limited"); | |
| setCaretPosition("company_name_valid", getcursorposition); | |
| } | |
| }); | |
| document.getElementById('company_name_valid').addEventListener("keydown", KeyCheck); | |
| function KeyCheck(event) | |
| { | |
| var KeyID = event.keyCode; | |
| switch(KeyID) | |
| { | |
| case 8: //backspace | |
| var getnewval = $dynamicfield.val(); | |
| var getfieldlength = $dynamicfield.val().length; | |
| if(getfieldlength < 18){ | |
| var ele = document.getElementById('company_name_valid'); | |
| var text = ele.value; | |
| text = text.slice(0, 1); | |
| ele.value = text; | |
| } | |
| break; | |
| case 46: //delete | |
| var getnewval = $dynamicfield.val(); | |
| var getfieldlength = $dynamicfield.val().length; | |
| if(getfieldlength < 18){ | |
| var ele = document.getElementById('company_name_valid'); | |
| var text = ele.value; | |
| text = text.slice(0, 1); | |
| ele.value = text; | |
| } | |
| break; | |
| default: | |
| break; | |
| } | |
| } | |
| </script> | |
| </html> |
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