JSFiddle - React, Tailwind, and code Playground

by ysuper

HTML

<div class="form-group">
    <label for="sampling_mount" class="col-md-2 control-label">Sampling Mount
        &nbsp;
    </label>
    <div class="col-md-10">
      
      <textarea class="form-control" id="sampling_mount" name="sampling_mount" rows="1"></textarea>
      
      
    </div>
    
  </div>

JavaScript

// ↓寫在change事件前是偵測不到的
$("#sampling_mount").val("1").change()

$("#sampling_mount").change(function() {
	console.log("changed")
})
// ↓寫在change事件後才偵測的到
$("#sampling_mount").val("1").change()