diff --git a/apps/showcase/doc/tree/LazyDoc.vue b/apps/showcase/doc/tree/LazyDoc.vue
index d080e1361..95916cc45 100644
--- a/apps/showcase/doc/tree/LazyDoc.vue
+++ b/apps/showcase/doc/tree/LazyDoc.vue
@@ -282,34 +282,7 @@ const initiateNodes2 = () => {
     ];
 };
 <\/script>
-`,
-                data: `
-{
-    key: '0',
-    label: 'Documents',
-    data: 'Documents Folder',
-    icon: 'pi pi-fw pi-inbox',
-    children: [
-        {
-            key: '0-0',
-            label: 'Work',
-            data: 'Work Folder',
-            icon: 'pi pi-fw pi-cog',
-            children: [
-                { key: '0-0-0', label: 'Expenses.doc', icon: 'pi pi-fw pi-file', data: 'Expenses Document' },
-                { key: '0-0-1', label: 'Resume.doc', icon: 'pi pi-fw pi-file', data: 'Resume Document' }
-            ]
-        },
-        {
-            key: '0-1',
-            label: 'Home',
-            data: 'Home Folder',
-            icon: 'pi pi-fw pi-home',
-            children: [{ key: '0-1-0', label: 'Invoices.txt', icon: 'pi pi-fw pi-file', data: 'Invoices for this month' }]
-        }
-    ]
-},
-...`
+`
             }
         };
     },
diff --git a/apps/showcase/doc/treeselect/FilterDoc.vue b/apps/showcase/doc/treeselect/FilterDoc.vue
index 6cad9c6a6..38faef2a2 100644
--- a/apps/showcase/doc/treeselect/FilterDoc.vue
+++ b/apps/showcase/doc/treeselect/FilterDoc.vue
@@ -23,12 +23,14 @@ export default {
             selectedValue: null,
             code: {
                 basic: `
-<TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+<TreeSelect v-model="selectedValue" filter filterMode="lenient" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+<TreeSelect v-model="selectedValue" filter filterMode="strict" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
 `,
                 options: `
 <template>
-    <div class="card flex justify-center">
-        <TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" filter filterMode="lenient" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue" filter filterMode="strict" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
     </div>
 </template>
 
@@ -50,8 +52,9 @@ export default {
 `,
                 composition: `
 <template>
-    <div class="card flex justify-center">
-        <TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" filter filterMode="lenient" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue" filter filterMode="strict" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
     </div>
 </template>
 
diff --git a/apps/showcase/doc/treeselect/LazyDoc.vue b/apps/showcase/doc/treeselect/LazyDoc.vue
new file mode 100644
index 000000000..054997ad6
--- /dev/null
+++ b/apps/showcase/doc/treeselect/LazyDoc.vue
@@ -0,0 +1,358 @@
+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>
+            Lazy loading is useful when dealing with huge datasets, in this example nodes are dynamically loaded on demand using <i>loading</i> property and <i>node-expand</i> method. Default value of <i>loadingMode</i> is <i>mask</i> and also
+            <i>icon</i> is available.
+        </p>
+    </DocSectionText>
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" :loading="loading" :options="nodes" @node-expand="onNodeExpand" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue2" loadingMode="icon" :options="nodes2" @node-expand="onNodeExpand2" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+    <DocSectionCode :code="code" v-bind="$attrs" />
+</template>
+
+<script>
+export default {
+    data() {
+        return {
+            nodes: null,
+            nodes2: null,
+            loading: false,
+            selectedValue: null,
+            selectedValue2: null,
+            code: {
+                basic: `
+<TreeSelect v-model="selectedValue" :loading="loading" :options="nodes" @node-expand="onNodeExpand" placeholder="Select Item" class="md:w-80 w-full" />
+<TreeSelect v-model="selectedValue2" loadingMode="icon" :options="nodes2" @node-expand="onNodeExpand2" placeholder="Select Item" class="md:w-80 w-full" />
+`,
+                options: `
+<template>
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" :loading="loading" :options="nodes" @node-expand="onNodeExpand" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue2" loadingMode="icon" :options="nodes2" @node-expand="onNodeExpand2" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+</template>
+
+<script>
+export default {
+    data() {
+        return {
+            nodes: null,
+            nodes2: null,
+            loading: false,
+            selectedValue: null,
+            selectedValue2: null,
+        }
+    },
+    mounted() {
+        this.loading = true;
+        this.nodes2 = this.initiateNodes2();
+
+        setTimeout(() => {
+            this.nodes = this.initiateNodes();
+            this.loading = false;
+            this.nodes2.map((node) => (node.loading = false));
+        }, 2000);
+    },
+    methods: {
+        onNodeExpand(node) {
+            if (!node.children) {
+                this.loading = true;
+
+                setTimeout(() => {
+                    let _node = { ...node };
+
+                    _node.children = [];
+
+                    for (let i = 0; i < 3; i++) {
+                        _node.children.push({
+                            key: node.key + '-' + i,
+                            label: 'Lazy ' + node.label + '-' + i
+                        });
+                    }
+
+                    this.nodes[parseInt(node.key, 10)] = _node;
+                    this.loading = false;
+                }, 500);
+            }
+        },
+        onNodeExpand2(node) {
+            if (!node.children) {
+                node.loading = true;
+
+                setTimeout(() => {
+                    let _node = { ...node };
+
+                    _node.children = [];
+
+                    for (let i = 0; i < 3; i++) {
+                        _node.children.push({
+                            key: node.key + '-' + i,
+                            label: 'Lazy ' + node.label + '-' + i
+                        });
+                    }
+
+                    this.nodes2[parseInt(node.key, 10)] = { ..._node, loading: false };
+                }, 500);
+            }
+        },
+        initiateNodes() {
+            return [
+                {
+                    key: '0',
+                    label: 'Node 0',
+                    leaf: false
+                },
+                {
+                    key: '1',
+                    label: 'Node 1',
+                    leaf: false
+                },
+                {
+                    key: '2',
+                    label: 'Node 2',
+                    leaf: false
+                }
+            ];
+        },
+        initiateNodes2() {
+            return [
+                {
+                    key: '0',
+                    label: 'Node 0',
+                    leaf: false,
+                    loading: true
+                },
+                {
+                    key: '1',
+                    label: 'Node 1',
+                    leaf: false,
+                    loading: true
+                },
+                {
+                    key: '2',
+                    label: 'Node 2',
+                    leaf: false,
+                    loading: true
+                }
+            ];
+        }
+    }
+}
+<\/script>
+`,
+                composition: `
+<template>
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" :loading="loading" :options="nodes" @node-expand="onNodeExpand" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue2" loadingMode="icon" :options="nodes2" @node-expand="onNodeExpand2" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+
+const nodes = ref(null);
+const nodes2 = ref(null);
+const selectedValue = ref(null);
+const selectedValue2 = ref(null);
+const loading = ref(false);
+
+onMounted(() => {
+    loading.value = true;
+    nodes2.value = initiateNodes2();
+
+    setTimeout(() => {
+        nodes.value = initiateNodes();
+        loading.value = false;
+        nodes2.value.map((node) => (node.loading = false));
+    }, 2000);
+});
+
+const onNodeExpand = (node) => {
+    if (!node.children) {
+        loading.value = true;
+
+        setTimeout(() => {
+            let _node = { ...node };
+
+            _node.children = [];
+
+            for (let i = 0; i < 3; i++) {
+                _node.children.push({
+                    key: node.key + '-' + i,
+                    label: 'Lazy ' + node.label + '-' + i
+                });
+            }
+
+            nodes.value[parseInt(node.key, 10)] = _node;
+            loading.value = false;
+        }, 500);
+    }
+};
+
+const onNodeExpand2 = (node) => {
+    if (!node.children) {
+        node.loading = true;
+
+        setTimeout(() => {
+            let _node = { ...node };
+
+            _node.children = [];
+
+            for (let i = 0; i < 3; i++) {
+                _node.children.push({
+                    key: node.key + '-' + i,
+                    label: 'Lazy ' + node.label + '-' + i
+                });
+            }
+
+            nodes2.value[parseInt(node.key, 10)] = { ..._node, loading: false };
+        }, 500);
+    }
+};
+
+const initiateNodes = () => {
+    return [
+        {
+            key: '0',
+            label: 'Node 0',
+            leaf: false
+        },
+        {
+            key: '1',
+            label: 'Node 1',
+            leaf: false
+        },
+        {
+            key: '2',
+            label: 'Node 2',
+            leaf: false
+        }
+    ];
+};
+
+const initiateNodes2 = () => {
+    return [
+        {
+            key: '0',
+            label: 'Node 0',
+            leaf: false,
+            loading: true
+        },
+        {
+            key: '1',
+            label: 'Node 1',
+            leaf: false,
+            loading: true
+        },
+        {
+            key: '2',
+            label: 'Node 2',
+            leaf: false,
+            loading: true
+        }
+    ];
+};
+<\/script>
+`
+            }
+        };
+    },
+    mounted() {
+        this.loading = true;
+        this.nodes2 = this.initiateNodes2();
+
+        setTimeout(() => {
+            this.nodes = this.initiateNodes();
+            this.loading = false;
+            this.nodes2.map((node) => (node.loading = false));
+        }, 2000);
+    },
+    methods: {
+        onNodeExpand(node) {
+            if (!node.children) {
+                this.loading = true;
+
+                setTimeout(() => {
+                    let _node = { ...node };
+
+                    _node.children = [];
+
+                    for (let i = 0; i < 3; i++) {
+                        _node.children.push({
+                            key: node.key + '-' + i,
+                            label: 'Lazy ' + node.label + '-' + i
+                        });
+                    }
+
+                    this.nodes[parseInt(node.key, 10)] = _node;
+                    this.loading = false;
+                }, 500);
+            }
+        },
+        onNodeExpand2(node) {
+            if (!node.children) {
+                node.loading = true;
+
+                setTimeout(() => {
+                    let _node = { ...node };
+
+                    _node.children = [];
+
+                    for (let i = 0; i < 3; i++) {
+                        _node.children.push({
+                            key: node.key + '-' + i,
+                            label: 'Lazy ' + node.label + '-' + i
+                        });
+                    }
+
+                    this.nodes2[parseInt(node.key, 10)] = { ..._node, loading: false };
+                }, 500);
+            }
+        },
+        initiateNodes() {
+            return [
+                {
+                    key: '0',
+                    label: 'Node 0',
+                    leaf: false
+                },
+                {
+                    key: '1',
+                    label: 'Node 1',
+                    leaf: false
+                },
+                {
+                    key: '2',
+                    label: 'Node 2',
+                    leaf: false
+                }
+            ];
+        },
+        initiateNodes2() {
+            return [
+                {
+                    key: '0',
+                    label: 'Node 0',
+                    leaf: false,
+                    loading: true
+                },
+                {
+                    key: '1',
+                    label: 'Node 1',
+                    leaf: false,
+                    loading: true
+                },
+                {
+                    key: '2',
+                    label: 'Node 2',
+                    leaf: false,
+                    loading: true
+                }
+            ];
+        }
+    }
+};
+</script>
diff --git a/apps/showcase/pages/treeselect/index.vue b/apps/showcase/pages/treeselect/index.vue
index 4b3525623..3b40295cc 100644
--- a/apps/showcase/pages/treeselect/index.vue
+++ b/apps/showcase/pages/treeselect/index.vue
@@ -18,6 +18,7 @@ import FilterDoc from '@/doc/treeselect/FilterDoc.vue';
 import DisabledDoc from '@/doc/treeselect/DisabledDoc.vue';
 import FilledDoc from '@/doc/treeselect/FilledDoc.vue';
 import FloatLabelDoc from '@/doc/treeselect/FloatLabelDoc.vue';
+import LazyDoc from '@/doc/treeselect/LazyDoc.vue';
 import IftaLabelDoc from '@/doc/treeselect/IftaLabelDoc.vue';
 import ImportDoc from '@/doc/treeselect/ImportDoc.vue';
 import InvalidDoc from '@/doc/treeselect/InvalidDoc.vue';
@@ -49,6 +50,11 @@ export default {
                     label: 'Checkbox',
                     component: CheckboxDoc
                 },
+                {
+                    id: 'lazy',
+                    label: 'Lazy',
+                    component: LazyDoc
+                },
                 {
                     id: 'filter',
                     label: 'Filter',