src/js/base/core/dom.js
function (point) {
            if (!isText(point.node)) {
                return false;
            }

            var ch = point.node.nodeValue.charAt(point.offset - 1);
            return ch && (ch !== ' ' && ch !== NBSP_CHAR);
        }
function (point) {
            if (!isText(point.node)) {
                return false;
            }

            var ch = point.node.nodeValue.charAt(point.offset - 1);
            return ch && (ch !== ' ' && ch !== NBSP_CHAR);
        }
function ( point ) { if ( ! isText ( point . node ) ) { return false ; } var ch = point . node . nodeValue . charAt ( point . offset - 1 ) ; return ch && ( ch !== ' ' && ch !== NBSP_CHAR ) ; }
returns whether point has character or not.

@param {Point} point
@return {Boolean}
returns whether point has character or not .