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jQuery to only accept values between 1 and 100 in contenteditable element

How can I go about only allowing values between 1 and 100 in my HTML table td cells,
Currently, I have a jquery function only allowing numbers,
//only allow numbers in td
$(".allow_only_numbers").keydown(function (e) {
if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110]) !== -1 ||
((e.keyCode == 65 || e.keyCode == 86 || e.keyCode == 67) && (e.ctrlKey === true || e.metaKey === true)) ||
(e.keyCode >= 35 && e.keyCode <= 40)) {
return;
}
if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
e.preventDefault();
}
});
However, I only want values ranging from 1-100
The td is content editable and cells I only want to contain such values have a class called allow_only_numbers e.g
<td contenteditable='true' class="allow_only_numbers">-</td>

I would do something like this
$(".allow_only_numbers").keydown(function (e) {
if($(".allow_only_numbers").innerText < 100 && $(".allow_only_numbers").innerText >= 1 ) {
if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110]) !== -1 ||
((e.keyCode == 65 || e.keyCode == 86 || e.keyCode == 67) && (e.ctrlKey === true || e.metaKey === true)) ||
(e.keyCode >= 35 && e.keyCode <= 40)) {
return;
}
else if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
e.preventDefault();
}
} else alert('number out of range')
});

jQuery - How can I allow both numpad and number key row input; as well as prevent special characters from being entered?

I want to allow both number pad numeric and oridinary number from keyboard. Currently, it only allows the number key row. I also only want numbers to be entered, but it currently allows special characters.
$(document).ready(function() {
$('#price').keydown(function(event) {
if ((event.which != 46 || $(this).val().indexOf('.') != -1) && (event.which < 48 || event.which > 57) && event.which != 8) {
event.preventDefault();
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='text' id='price'>

Have a look at this plug-in (Fork of texotela's numeric jquery plugin). This (jStepper) is another one.
This is a link if you want to build it yourself.
$(document).ready(function() {
$("#txtboxToFilter").keydown(function (e) {
// Allow: backspace, delete, tab, escape, enter and .
if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110, 190]) !== -1 ||
// Allow: Ctrl+A, Command+A
(e.keyCode === 65 && (e.ctrlKey === true || e.metaKey === true)) ||
// Allow: home, end, left, right, down, up
(e.keyCode >= 35 && e.keyCode <= 40)) {
// let it happen, don't do anything
return;
}
// Ensure that it is a number and stop the keypress
if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
e.preventDefault();
}
});
});
NOTE: If your webpage uses HTML5, you can use the built-in <input type="number"> and use the min and max properties to control the minimum and maximum value.
$(function() {
$('#staticParent').on('keydown', '#child', function(e){-1!==$.inArray(e.keyCode,[46,8,9,27,13,110,190])||(/65|67|86|88/.test(e.keyCode)&&(e.ctrlKey===true||e.metaKey===true))&&(!0===e.ctrlKey||!0===e.metaKey)||35<=e.keyCode&&40>=e.keyCode||(e.shiftKey||48>e.keyCode||57<e.keyCode)&&(96>e.keyCode||105<e.keyCode)&&e.preventDefault()});
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div id="staticParent">
<input id="child" type="textarea" />
</div>
I coppied from it on here
If its help for you.Please vote first writer .

Updated your code
$(document).ready(function() {
$('#price').keydown(function(event) {
if((event.which >= 48 && event.which <= 57) && event.shiftKey) {
event.preventDefault();
}
if ((event.which != 46 || $(this).val().indexOf('.') != -1) && (event.which < 48 || event.which > 57) && event.which != 8) {
event.preventDefault();
}
});
});

Use keypress for that instead of keydown
then
the keyCode of 0 to 9 are 48 to 57 so use this condition
if (event.keyCode < 48 || event.keyCode > 57) {
event.preventDefault();
}
this condition returns true if you enter keys that are not 0, 1, 2, 3, 4, 5, 6, 7 ,8 and 9 or not numbers
So your code would be like this
$(document).ready(function() {
$('#price').keypress(function(event) {
if (event.keyCode < 48 || event.keyCode > 57) {
event.preventDefault();
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='text' id='price'>

Why we don't user input type number. I think just do it easy like this:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='number' id='price'>

jQuery only digits in input

I want only numbers in my input. I can't change type of input to "number". So I have this code.
Number : <input type="text" name="quantity" id="quantity" />
<script>
$(document).ready(function() {
$("#quantity").off("keyup").on("keyup", function(e) {
if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
e.preventDefault();
}
if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 190]) !== -1 ||
// Allow: Ctrl+A
(e.keyCode == 65 && e.ctrlKey === true) ||
// Allow: home, end, left, right
(e.keyCode >= 35 && e.keyCode <= 39)) {
// let it happen, don't do anything
return;
}
});
});
And it's not works but if i change selector to $("#quantity").off("keyup").on("keyup", function(e) { It works. I haven't change the first selector

try like this,
function isNumber(n){
return (parseFloat(n) == n);
}
$("document").ready(function(){
$("input").keyup(function(event){
var input = $(this).val();
if(!isNumber(input)){
$(this).val(input.substring(0, input .length-1));
}
});
});
Demo

How can I alow delete, backspace, and disable spacebar in javascript?

How can I alow upper alphabet,lower alphabet, delete, backspace, and disable spacebar in textbox?
<html>
<head>
<script type="text/javascript">
function foo(e) {
var allow=' ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_'
var k;
k=document.all?parseInt(e.keyCode): parseInt(e.which);
return (allow.indexOf(String.fromCharCode(k))!=-1);
}
</script>
</head>
<body>
<input type="text" onKeyPress="return foo(event)" />
</body>
</html>
Please help me thanks...

Try Jquery Some What Like This and Work on it.
$("[id*='yourid']").keydown(function (event) {
// Allow: backspace, delete, tab, escape, and enter
if (event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 9 || event.keyCode == 27 || event.keyCode == 13 ||
// Allow: Ctrl+A
(event.keyCode == 65 && event.ctrlKey === true) ||
// Allow: home, end, left, right
(event.keyCode >= 35 && event.keyCode <= 39)) {
// let it happen, don't do anything
return;
} else {
// Ensure that it is a number and stop the keypress
if (event.shiftKey || (event.keyCode < 48 || event.keyCode > 57) && (event.keyCode < 96 || event.keyCode > 105)) {
event.preventDefault();
}
}
});

I come up with the following code:
jQuery('#input_id', function(e){
// Allow: backspace, delete, tab, escape, enter
if (jQuery.inArray(e.keyCode, [46, 8, 9, 27, 13, 110]) !== -1 ||
// Allow: Ctrl+A
(e.keyCode === 65 && e.ctrlKey === true) ||
// Allow: Ctrl+C
(e.keyCode === 67 && e.ctrlKey === true) ||
// Allow: Ctrl+X
(e.keyCode === 88 && e.ctrlKey === true) ||
// Bug in some Android devices where it is always 229
(e.keyCode === 229) ||
// Allow: home, end, left, right
(e.keyCode >= 35 && e.keyCode <= 40)) {
// let it happen, don't do anything
return;
}
// Ensure that it is a number and stop the keypress
if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
e.preventDefault();
}
});
In addition the form should have autocomplete="off". Without this option you might have issues with auto-complete algorithms on mobile devices.

how to enter only numeric values in ipad text box?

I have a problem restricting a text box to only numeric values. I used normal methods but it works only in windows, not working in ipod and it allows a user to enter strings and special characters. , if you know how to restrict this on iOS pls help ,
check it....
if ( event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 9 || event.keyCode == 27 || event.keyCode == 13 || event.keyCode == 116 ||
(event.keyCode == 65 && event.ctrlKey === true) ||
((event.keyCode >= 35 && event.keyCode <= 45) || event.keyCode == 190 || event.keyCode == 100 || event.keyCode == 110)) {
if ((event.keyCode == 190 || event.keyCode == 100 || event.keyCode == 110) && $(this).val().indexOf('.') != -1) {
event.preventDefault();
}
else {return;}
}
else {
// Ensure that it is a number and stop the keypress
if ((event.keyCode >= 219 && event.keyCode <= 222) || (event.keyCode >= 106 && event.keyCode <= 109) || event.keyCode == 111
|| event.keyCode == 32 || event.keyCode == 59 || (event.keyCode >= 186 && event.keyCode <= 189) || event.keyCode == 191 || event.keyCode == 192 ||
event.shiftKey || (event.keyCode < 48 || event.keyCode > 57) && (event.keyCode < 96 || (event.keyCode > 105 && event.keycode < 190 )) ){
/*
if (checker.apple) {
// alert('Hh');
alert(event.keyCode);
//$.browser.apple=true;
event.shiftKey || (event.keyCode <= 48 || event.keyCode >= 57) && (event.keyCode < 96 || (event.keyCode > 105 && event.keycode < 190 ))
event.preventDefault();
}*/
//alert(event.keyCode);
/*event.preventDefault();
}
}

Limit the user to only type In Numbers:
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
if ([string length] == 0 && range.length > 0)
{
textField.text = [textField.text stringByReplacingCharactersInRange:range withString:string];
return NO;
}
NSCharacterSet *nonNumberSet = [[NSCharacterSet characterSetWithCharactersInString:#"0123456789"] invertedSet];
if ([string stringByTrimmingCharactersInSet:nonNumberSet].length > 0)return YES;
return NO;
}

You can use onkeypress() when user presses any button and fire checkAlpha() function.
and use following code to detect whether it is a number or a alphabet
function checkAlpha() {
x = event.charCode;
if (( x >= 65 && x <=90) || (x >= 97 && x <=122))
{
alert("Yes, it is alphabet");
}
else
{
alert("Sorry, only alphabet allowed");
event.preventDefault();
}
}
works fine latest android and desktop please confirm on apple devices and let me know.

please follow this code for enter only numeric value in text box. make sure for these DELEGATE methods
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
char *x = (char*)[string UTF8String];
//if(DEBUG_MODE) NSLog(#"char index is %i",x[0]);
if([string isEqualToString:#"0"] || [string isEqualToString:#"1"] || [string isEqualToString:#"2"] || [string isEqualToString:#"3"] || [string isEqualToString:#"4"] || [string isEqualToString:#"5"] || [string isEqualToString:#"6"] || [string isEqualToString:#"7"] || [string isEqualToString:#"8"] || [string isEqualToString:#"9"] || x[0]==0 ) {
NSUInteger newLength = [textField.text length] + [string length] - range.length;
return (newLength > 6) ? NO : YES;
} else {
return NO;
}
}