微信小程序 wxapp内容组件 text详细介绍

<view class="section section_gap"> <text>{{text}}</text> <view class="btn-area">  <button bindtap="add">add line</button>  <button bindtap="remove">remove line</button> </view></view>

var initData = 'this is first line/nthis is second line'Page({ data: { text: initData }, extraLine: [], add: function(e) { this.extraLine.push('other line') this.setData({  text: initData + '/n' + this.extraLine.join('/n') }) }, remove: function(e) { if (this.extraLine.length > 0) {  this.extraLine.pop()  this.setData({  text: initData + '/n' + this.extraLine.join('/n')  }) } }})