问iOS 11 Safari禁用“智能标点符号”？

EN

window.addEventListener('DOMContentLoaded', attachFilterToInputs );

function attachFilterToInputs() {

    var textInputs = document.querySelectorAll( 'input[type=text], input[type=password], input[type=email], input[type=search], input[type=url], textarea, *[contenteditable=true]' );
    for( var i = 0; i < textInputs.length; i++ ) {
        textInputs[i].addEventListener( 'keypress', preventPretentiousPunctuation );
    } 
}

var conversionMap = createConversionMap();

function createConversionMap() {

    var map = {};
    // Open-quotes: http://www.fileformat.info/info/unicode/category/Pi/list.htm
    map[ 0x2018 ] = '\'';
    map[ 0x201B ] = '\'';
    map[ 0x201C ] = '"';
    map[ 0x201F ] = '"';

    // Close-quotes: http://www.fileformat.info/info/unicode/category/Pf/list.htm
    map[ 0x2019 ] = '\'';
    map[ 0x201D ] = '\"';

    // Primes: http://www.fileformat.info/info/unicode/category/Po/list.htm
    map[ 0x2032 ] = '\'';
    map[ 0x2033 ] = '"';
    map[ 0x2035 ] = '\'';
    map[ 0x2036 ] = '"';

    map[ 0x2014 ] = '-'; // iOS 11 also replaces dashes with em-dash
    map[ 0x2013 ] = '-'; // and "--" with en-dash

    return map;
}

function preventPretentiousPunctuation( event ) {

    if( event.key.length != 1 ) return;

    var code = event.key.codePointAt(0);
    var replacement = conversionMap[ code ];
    if( replacement ) {

        event.preventDefault();
        document.execCommand( 'insertText', 0, replacement );
    }
} 

<script type="text/javascript">

    // Here are the reference to Unicode Characters in the Punctuation
    // Open-quotes: http://www.fileformat.info/info/unicode/category/Pi/list.htm    
    // Close-quotes: http://www.fileformat.info/info/unicode/category/Pf/list.htm    

    window.addEventListener('DOMContentLoaded', attachFilterToInputs);

    // Patch the iOS Smart Punctuation functionality on restricted field(s), 
    // so that the user types acceptable characters.
    function attachFilterToInputs() {
        try {
            $("[name$='MyProtectedFieldName']").on('input', preventPretentiousPunctuation);
        }
        catch (err) {
            // do nothing
        }
    }

    function preventPretentiousPunctuation(event) {
        try {
            var str = $(this).val();
            var replacedStr = "";
            replacedStr = str.replace(/[\u2018\u2019\u201C\u201D]/g, 
                (c) => '\'\'""'.substr('\u2018\u2019\u201C\u201D'.indexOf(c), 1));

            if (str !== replacedStr) {
                $(this).val(replacedStr);
            }            
        }
        catch (err) {
            // do nothing
        }        
    }
</script>