init

xhs-mini-demos/api-case/memory-warn/memory-warn.js

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+Page({
+  onShareAppMessage() {
+    return {
+      title: 'memory-warn',
+      path: 'package/API/pages/memory-warn/memory-warn',
+    };
+  },
+
+  data: {
+    value: '',
+    memory: [],
+  },
+  resetValue() {
+    this.setData({ value: '' });
+  },
+  bindSubscribe() {
+    this.resetValue();
+    xhs.onMemoryWarning(e => {
+      this.setData({ value: JSON.stringify(e) });
+    });
+    this.setData({ value: '订阅成功' });
+  },
+  bindUnSubscribe() {
+    this.resetValue();
+    xhs.offMemoryWarning(() => {
+      this.setData({ value: '取消成功' });
+    });
+  },
+  bindMemory() {
+    if (this.handle) {
+      clearInterval(this.handle);
+    } else {
+      this.handle = setInterval(() => {
+        const { memory } = this.data;
+        for (let i = 0; i < 100; i++) {
+          memory.push({ name: 'test', age: 20 });
+        }
+        this.setData({ memory });
+      }, 1000);
+    }
+  },
+});