【前端开发】GIS及JS题目

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
    </head>
    <body>
        <script>
            var aaa = {}
            aaa.q111 = '1111'
            console.log(aaa);
 
            const bbb = {}
            bbb.q111 = '1111'
            console.log(bbb);
 
 
            function getQueryVariable(variable) {
                var query = window.location.search.substring(1);
                var vars = query.split("&");
                for (var i = 0; i < vars.length; i++) {
                    var pair = vars[i].split("=");
                    if (pair[0] == variable) {
                        return pair[1];
                    }
                }
                return (false);
            }
 
            var obj = {
                name: "abc",
                age: 123,
                card: ['visa', 'master'],
                wife: {
                    name: 'bcd',
                    son: {
                        name: 'aaa'
                    }
                }
            }
 
            console.log(obj)
 
            var obj1 = obj;
            obj1.fff = "2222"
 
            console.log(obj1);
 
            var obj1 = {
 
            }
            //深度拷贝
            function deepClone(origin, target) {
                var target = target || {},
                    toStr = Object.prototype.toString,
                    arrStr = "[object Array]";
                for (var prop in origin) {
                    if (origin.hasOwnProperty(prop)) {
                        if (origin[prop] !== "null" && typeof(origin[prop]) == 'object') {
                            // if (toStr.call(origin[prop]) == arrStr) {
                            //     target[prop] = [];
                            // } else {
                            //     target[prop] = {};
                            // }
                            target[prop] = toStr.call(origin[prop]) == arrStr ? [] : {};
                            deepClone(origin[prop], target[prop]);
                        } else {
                            target[prop] = origin[prop];
                        }
                    }
                }
                return target;
            }
            deepClone(obj, obj1);
 
            console.log(obj1)
        </script>
    </body>
</html>