How to solve the problem of soft keyboard blocking input box in js-JS Tutorial-php.cn

How to solve the problem of soft keyboard blocking input box in js

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Release： 2017-12-20 09:56:02

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This article mainly recommends a js solution to the problem of soft keyboard blocking the input box. It has a good reference value and I hope it will be helpful to everyone. Let’s follow the editor to take a look, I hope it can help everyone.

Experience Notes

When the soft keyboard pops up:

ios side$('body').scrollTop() will change

android side$(window ).height() will change

Pull up the keyboard is not a moment, but there is a slowing process

The problem reappears

On the ios side, the input method often appears The problem of blocking the input box (especially the input method with a white top, such as Baidu input method), as shown in the figure:

Problem Solution

We only need to start a timer after the input box is focused and execute $('body').scrollTop(1000000). In this way, since the entire body is scrolled to the bottom, the input box will naturally be visible. Please see the following example for details

Sample source code

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> 
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/> 
  <title>demo</title> 
  <script src="../js/jquery-1.11.3.min.js"></script>
  <style> 
    * { 
      margin: 0;  
      padding: 0; 
    } 
    body, html { 
      width: 100%; 
      height: 100%;
    } 
    .bottom {
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      font-size: 0;
    }
    input {
      font-size: 14px;
      box-sizing: border-box;
      width: 50%;
      height: 50px;
      line-height: 50px;
    }
  </style> 
</head> 
<body>
  <p class="bottom">
    <input class="aInput" type="text" placeholder="ios聚焦后会被输入法遮挡" />
    <input class="bInput" type="text" placeholder="ios聚焦后不会被输入法遮挡" />
  </p>
</body> 
<script> 
  $(function() {
    // 解决输入法遮挡
    var timer = null;
    $('.bInput').on('focus', function() {
      clearInterval(timer);
      var index = 0;
      timer = setInterval(function() {
        if(index>5) {
          $('body').scrollTop(1000000);
          clearInterval(timer);
        }
        index++;
      }, 50)
    })
  });

</script> 
</html>

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