Text box not getting reset

后端 未结 4 1925
没有蜡笔的小新
没有蜡笔的小新 2021-01-21 23:47

I have a text box and I tried to reset it after a button click. But it is not getting reset. HTML Script:-

    

        
4条回答
  •  轮回少年
    2021-01-22 00:23

    To reset a form, use

    form.reset();
    

    var form = document.querySelector('form');
    var button = document.querySelector('button');
    
    button.addEventListener('click', function() {
      form.reset();
    })


    To reset a value on e.g. input, use

    input.value = '';
    

    var input = document.querySelector('input');
    var button = document.querySelector('button');
    
    button.addEventListener('click', function() {
      input.value = '';
    })
    
    
    
    


    To reset a value on e.g. select, use

    select.selectedIndex = 0;    // select first option
    select.selectedIndex = -1;   // select none
    

    var select = document.querySelector('select');
    var button = document.querySelector('button');
    
    button.addEventListener('click', function() {
      select.selectedIndex = -1;   // select none
    })
    
    
    
    

提交回复
热议问题