js如何覆盖第三方脚本中的方法

Question

js中怎么覆盖其他js的方法

Answer 1

第三方实例.prototype.fn = '重写的函数'

Answer 2

<script type="text/javascript">
// <![CDATA[
// <![CDATA[
//
// LIBRARY REQUIREMENTS
//
// In the require function, we include the necessary libraries and modules for
// the HTML dashboard. Then, we pass variable names for these libraries and
// modules as function parameters, in order.
//
// When you add libraries or modules, remember to retain this mapping order
// between the library or module and its function parameter. You can do this by
// adding to the end of these lists, as shown in the commented examples below.require([
    "splunkjs/mvc",
    "splunkjs/mvc/utils",
    "splunkjs/mvc/tokenutils",
    "underscore",
    "jquery",
    "splunkjs/mvc/simplexml",
    "splunkjs/mvc/layoutview",
    "splunkjs/mvc/simplexml/dashboardview",
    "splunkjs/mvc/simplexml/dashboard/panelref",
    "splunkjs/mvc/simplexml/element/chart",
    "splunkjs/mvc/simplexml/element/event",
    "splunkjs/mvc/simplexml/element/html",
    "splunkjs/mvc/simplexml/element/list",
    "splunkjs/mvc/simplexml/element/map",
    "splunkjs/mvc/simplexml/element/single",
    "splunkjs/mvc/simplexml/element/table",
    "splunkjs/mvc/simplexml/element/visualization",
    "splunkjs/mvc/simpleform/formutils",
    "splunkjs/mvc/simplexml/eventhandler",
    "splunkjs/mvc/simplexml/searcheventhandler",
    "splunkjs/mvc/simpleform/input/dropdown",
    "splunkjs/mvc/simpleform/input/radiogroup",
    "splunkjs/mvc/simpleform/input/linklist",
    "splunkjs/mvc/simpleform/input/multiselect",
    "splunkjs/mvc/simpleform/input/checkboxgroup",
    "splunkjs/mvc/simpleform/input/text",
    "splunkjs/mvc/simpleform/input/timerange",
    "splunkjs/mvc/simpleform/input/submit",
    "splunkjs/mvc/searchmanager",
    "splunkjs/mvc/savedsearchmanager",
    "splunkjs/mvc/postprocessmanager",
    "splunkjs/mvc/simplexml/urltokenmodel"
    // Add comma-separated libraries and modules manually here, for example:
    // ..."splunkjs/mvc/simplexml/urltokenmodel",
    // "splunkjs/mvc/tokenforwarder"
    ],
    function(
        mvc,
        utils,
        TokenUtils,
        _,
        $,
        DashboardController,
        LayoutView,
        Dashboard,
        PanelRef,
        ChartElement,
        EventElement,
        HtmlElement,
        ListElement,
        MapElement,
        SingleElement,
        TableElement,
        VisualizationElement,
        FormUtils,
        EventHandler,
        SearchEventHandler,
        DropdownInput,
        RadioGroupInput,
        LinkListInput,
        MultiSelectInput,
        CheckboxGroupInput,
        TextInput,
        TimeRangeInput,
        SubmitButton,
        SearchManager,
        SavedSearchManager,
        PostProcessManager,
        UrlTokenModel        // Add comma-separated parameter names here, for example:
        // ...UrlTokenModel,
        // TokenForwarder
        ) {        var pageLoading = true;
        //
        // TOKENS
        //        // Create token namespaces
        var urlTokenModel = new UrlTokenModel();
        mvc.Components.registerInstance('url', urlTokenModel);
        var defaultTokenModel = mvc.Components.getInstance('default', {create: true});
        var submittedTokenModel = mvc.Components.getInstance('submitted', {create: true});        urlTokenModel.on('url:navigate', function() {
            defaultTokenModel.set(urlTokenModel.toJSON());
            if (!_.isEmpty(urlTokenModel.toJSON()) && !_.all(urlTokenModel.toJSON(), _.isUndefined)) {
                submitTokens();
            } else {
                submittedTokenModel.clear();
            }
        });        // Initialize tokens
        defaultTokenModel.set(urlTokenModel.toJSON());        function submitTokens() {
            // Copy the contents of the defaultTokenModel to the submittedTokenModel and urlTokenModel
            FormUtils.submitForm({ replaceState: pageLoading });
        }        function setToken(name, value) {
            defaultTokenModel.set(name, value);
            submittedTokenModel.set(name, value);
        }        function unsetToken(name) {
            defaultTokenModel.unset(name);
            submittedTokenModel.unset(name);
        }        //
        // SEARCH MANAGERS
        //        
var search1 = new SearchManager({
            "id": "search1",
            "status_buckets": 0,
            "sample_ratio": null,
            "earliest_time": "0",
            "cancelOnUnload": true,
            "search": "|makeresults|eval  ip=\"$ips$\", address=\"$address$\",mask=\"$mask$\",mask_num=\"$masknum$\" | table ip address mask mask_num",
            "latest_time": "$latest$",
            "app": utils.getCurrentApp(),
            "auto_cancel": 90,
            "preview": true,
            "tokenDependencies": {
            },
            "runWhenTimeIsUndefined": false
        }, {tokens: true, tokenNamespace: "submitted"});
        //
        // SPLUNK LAYOUT
        //        $('header').remove();
        new LayoutView({"hideChrome": false, "hideAppBar": false, "hideSplunkBar": false})
            .render()
            .getContainerElement()
            .appendChild($('.dashboard-body')[0]);        //
        // DASHBOARD EDITOR
        //        new Dashboard({
            id: 'dashboard',
            el: $('.dashboard-body'),
            showTitle: true,
            editable: true
        }, {tokens: true}).render();
        //
        // VIEWS: VISUALIZATION ELEMENTS
        //        var element1 = new TableElement({
            "id": "element1",
            "count": 10,
            "dataOverlayMode": "none",
            "drilldown": "cell",
            "refresh.display": "progressbar",
            "rowNumbers": "true",
            "wrap": "true",
            "managerid": "search1",
            "el": $('#element1')
        }, {tokens: true, tokenNamespace: "submitted"}).render();
        //
        // VIEWS: FORM INPUTS
        //        var input1 = new TextInput({
            "id": "input1",
            "default": "",
            "value": "$form.ips$",
            "el": $('#input1')
        }, {tokens: true}).render();        input1.on("change", function(newValue) {
            FormUtils.handleValueChange(input1);
        });
        
        var input2 = new TextInput({
            "id": "input2",
            "value": "$form.address$",
            "el": $('#input2')
        }, {tokens: true}).render();        input2.on("change", function(newValue) {
            FormUtils.handleValueChange(input2);
        });
        
        var input3 = new DropdownInput({
            "id": "input3",
            "choices": [
                {"label": "\u7537", "value": "\u7537"},
                {"label": "\u5973", "value": "\u5973"}
            ],
            "showClearButton": true,
            "selectFirstChoice": false,
            "value": "$form.mask$",
            "el": $('#input3')
        }, {tokens: true}).render();        input3.on("change", function(newValue) {
            FormUtils.handleValueChange(input3);
        });
        
        var input4 = new TextInput({
            "id": "input4",
            "value": "$form.masknum$",
            "el": $('#input4')
        }, {tokens: true}).render();        input4.on("change", function(newValue) {
            FormUtils.handleValueChange(input4);
        });
                //
        // SUBMIT FORM DATA
        //        var submit = new SubmitButton({
            id: 'submit',
            el: $('#search_btn')
        }, {tokens: true}).render();        submit.on("submit", function() {
            submitTokens();
        });        // Initialize time tokens to default
        if (!defaultTokenModel.has('earliest') && !defaultTokenModel.has('latest')) {
            defaultTokenModel.set({ earliest: '0', latest: '' });
        }        if (!_.isEmpty(urlTokenModel.toJSON())){
            submitTokens();
        }
        //
        // DASHBOARD READY
        //        DashboardController.ready();
        pageLoading = false;    }
);
// ]]>
</script>
这个里面的内容不能修改，怎么才能把它替换掉，或者清除掉，换用自己的

Answer 3

不同的framework可能会有不同的override方式。
你最好查看相应的api。