style: using 'Array.prototype.forEach()' (#1826)

packages/hooks/use-events/index.ts

@@ -12,11 +12,11 @@ export default (el: Ref<HTMLElement>, events: Event[]) => {
 
   watch(el, val => {
     if (val) {
-      events.map(({ name, handler }) => {
+      events.forEach(({ name, handler }) => {
         on(el.value, name, handler)
       })
     } else {
-      events.map(({ name, handler }) => {
+      events.forEach(({ name, handler }) => {
         off(el.value, name, handler)
       })
     }

packages/popover/src/directive.ts

@@ -14,7 +14,7 @@ const attachEvents = (el: HTMLElement, binding: DirectiveBinding, vnode: VNode)
     popover.triggerRef = el
     el.setAttribute('tabindex', popover.tabindex)
     // because v-popover cannot modify the vnode itself due to it has already been
-    Object.entries(popover.events).map(([eventName, e]) => {
+    Object.entries(popover.events).forEach(([eventName, e]) => {
       on(el, eventName.toLowerCase().slice(2), e)
     })
   }

packages/popper/src/use-popper/index.ts

@@ -248,7 +248,7 @@ export default function(
     }
 
     if (isArray(props.trigger)) {
-      Object.values(props.trigger).map(mapEvents)
+      Object.values(props.trigger).forEach(mapEvents)
     } else {
       mapEvents(props.trigger as TriggerType)
     }

website/components/right-nav.vue

@@ -56,7 +56,7 @@ export default defineComponent({
       let mapValues = Array.from(map.values()).reverse()
       let mapKeys = Array.from(map.keys()).reverse()
       resizeObserver = new ResizeObserver(() => {
-        Array.from(h3).map(item => {
+        Array.from(h3).forEach(item => {
           const text = item.childNodes[1].textContent.trim()
           map.set(text, item.offsetTop)
         })