微信小程序——文本域字数限制和字数输入统计
示例代码
wxml:textarea bindinput='input' rows="3" placeholder="XXXX" maxlength="60" hidden='{{dleg3}}' text class="currentWordNumber"{{currentNoteLen|0}}/{{noteMaxLen}}个字/text/textareawxss.currentWordNumber{ font-size: 28rpx; color: gray; position: absolute; left: 520rpx; top: -6rpx; margin-top: 40px;}jsdata: { noteMaxLen: 60, //详细地址的字数限制 currentNoteLen: 0, //输入的字数 }, input(event) { var value = event.detail.value, len = parseInt(value.length); let that = this; this.setData({ currentNoteLen: len });
