[Vuejs]-Vue 2.3 AJAX data binding not updating

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3đź‘Ť

âś…

first, if that is the exact code, then self I don’t think is initialized. Use var self = this or let self = this

But mainly, you need to define self outside of the ajax call. In javascript the this keyword refers to the calling object. directly inside of the created() function, it’s the Vue instance. However, this will NOT refer to the Vue instance once inside the ajax callback.

Understand JavaScript’s “this” With Clarity, and Master It

created:function() {

   var self = this    
   $.ajax({
      type: 'POST',
      contentType: 'application/json',
      dataType: 'json',
      url: 'ajax_methods/get_option',
      success: function (ajax_data) {

        self.option_id = ajax_data.option_id;        
        self.option_name = ajax_data.option_name;

      },
      error: function (e) {
        console.log(e)
      }
    })

  }
👤ptpaterson

4đź‘Ť

You need to capture this outside the callback.

created: function(){

    const self = this;

    $.ajax({
      type: 'POST',
      contentType: 'application/json',
      dataType: 'json',
      url: 'ajax_methods/get_option',
      success: function (ajax_data) {

        self.option_id = ajax_data.option_id;        
        self.option_name = ajax_data.option_name;

      },
      error: function (e) {
        console.log(e)
      }
    })
}
👤Bert

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