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HTML

              
                <div class="wrapper">
  <img src="https://yt3.ggpht.com/a-/AN66SAxP5yL48LQVLEOfDIJGs12_0At_MXtkgLHLBQ=s900-mo-c-c0xffffffff-rj-k-no" alt="">
  <div>
    <div class="name">王伯伯</div>
    <div class="textarea">
      <div class="triangle"></div>
      <textarea rows="32" cols="30" id="txtSelect">
在一次煮玉米粥時,我用叉子在沸騰的粥裡翻攪,想看看粥好了沒有。 我錯手沒拿到叉子,而把手碰進了沸水裡面!痛得我尖叫起來! 一位越南朋友,他是位獸醫,恰巧來到我家,我正在尖叫!他即刻問我有沒有麵粉。我拿出一袋麵粉,他叫我把手伸進去,並且放在麵粉裡10分鐘,我照做了。 他說,在越南曾有一個傢伙身上著火了,眾人在驚慌中把一袋子的麵粉撒在他的身上滅火。 但令人驚訝的是,它不僅滅了火,被燒那傢伙的身上競沒有水泡!!! 我把手放在麵粉裡10分鐘後拿出來,手上確實沒有灼傷的紅印或者水泡, 完全沒有受傷! 現在,我總會在冰箱放一袋子麵粉,每次不小心灼傷自己,我就用麵粉敷,沒有一次是有紅印或水泡的。 *注意:冷麵粉比常溫麵粉效果更佳! 奇跡!如果你問我的話。放一袋白麵粉在冰箱是不會錯的。我甚至在燙到舌頭的時候,把冰麵粉敷在上面10分鐘,傷去無痕!試一試吧! 不要把你燙傷的地方馬上放在冷水下沖洗,而要放在麵粉裡10分鐘,你會發現奇跡的!
</textarea>
    </div>
  </div>
</div>
              
            
!

CSS

              
                body{
  background: #839ac2;
  max-width: 480px;
}
div.wrapper {
  display: flex;
  width: 480px;
}

img{
  width: 50px;
  height: 50px;
  border-radius: 50%;
}
.name{
  margin-left: 10px;
  font-size: 16px;
  color: white;
}

textarea {
  background: #e5e7f0;
  border: none;
  border-radius: 20px;
  padding: 10px;
  margin-left: 20px;
}
.textarea{
  position: relative;
}
.triangle{
  content: "";
/*   border-top: 20px solid #e5e7f0; */
  border-style: solid;
  border-width: 10px 10px 0 20px;
  border-color: #e5e7f0 transparent transparent transparent;
  position: absolute;
  left: 3px;
  top: 10px;
}
              
            
!

JS

              
                // $('#txtSelect').on('focus click touchstart', function(e){
//   $(this).get(0).setSelectionRange(0,9999);
//   //$(this).css("color", "blue"); FUBAR
//   e.preventDefault();
// });

/*
var textBox = document.getElementById("txtSelect");
textBox.onfocus = function() {

  // Work around Chrome's little problem
  textBox.onmouseup = function() {
    // Prevent further mouseup intervention
    selectAllText();
    return false;
  };
};

function selectAllText(){
  setTimeout(function() {
      textBox.setSelectionRange(0, 9999);
  }, 1);
}
*/
              
            
!
999px

Console