Limit number of characters in input type number

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逝去的感伤
逝去的感伤 2020-12-18 08:08

Im trying to limit to X number the characters in a input (type of number). ive tried a lot of options and none seems to work. I dont want to use the option tel as it needs t

13条回答
  •  庸人自扰
    2020-12-18 08:44

    You can try thiss jQuery code :

    In HTML

    
    

    In JS

    $(document).ready(function () {
        var element = document.getElementById('number');
    
        $("#number").keydown(function (event) {
            // Allow only backspace and delete
    
            if($(this).val().length <= 9 || event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 9 )
            {
                if (event.keyCode == 46 || event.keyCode == 8 || event.keyCode == 9) {
                    // let it happen, don't do anything
                } else {
                    // Ensure that it is a number and stop the keypress
                    if ((event.keyCode < 48 || event.keyCode > 57) && (event.keyCode < 96 || event.keyCode > 105)) {
                        event.preventDefault();
                    }
                }
            }else{
    
                event.preventDefault();
            }          
    
        });
    
    
    });
    

    I have not any idea wheather its working on IOS N Android but its work on all browser.

    DEMO

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