console 命令行工具 X clear

console

$('#container').jstree({
    'core' : {
        'data' : [
            { "text" : "Root node", "children" : [
                { "text" : "Child node 1" },
                { "text" : "Child node 2" }
            ]
            },
        ]
    }
});

<div id="container"></div>