Function seekPrevious

third_party/inputmask/inputmask.js:1530–1536

(pos, newBlock)

            return position;
        }
        function seekPrevious(pos, newBlock) {
            var position = pos, tests;
            if (position <= 0) return 0;
            while (--position > 0 && (newBlock === true && getTest(position).match.newBlockMarker !== true || newBlock !== true && !isMask(position) && (tests = getTests(position),
            tests.length < 2 || tests.length === 2 && tests[1].match.def === ""))) {}
            return position;
        }
        function writeBuffer(input, buffer, caretPos, event, triggerEvents) {
            if (event && $.isFunction(opts.onBeforeWrite)) {
                var result = opts.onBeforeWrite.call(inputmask, event, buffer, caretPos, opts);