JavaScript Undefined Array undefined array value javascript,undefined array size java,undefined array

  public onChange(event: Event) {
    let files = event.target['files'];
    let list: string[];
    console.log(files);
    for (var i = 0; i < files.length; i++) {
      if (FileReader && files && files.length) {
        let fileReader = new FileReader();
        fileReader.onload = () => {
          let infoFile: string = fileReader.result;   
          list.push(infoFile);         
        };
        fileReader.readAsDataURL(files[i]);
      }
    }
    console.log(list);
    let preview = document.querySelector('img');
    preview.src = list[0];
  };

I have method in my component.ts when i click input type="file" called medthod onChange() but when left loop for in console i have message that array is undefined. I check that fileReader.result is not empty Why is this happening? How to solve this problem some idea.

Answer:1

Here is my code: $('body').not('.specific_element').css('opacity','.3'); body{ border: 1px solid; } .specific_element{ border: 1px solid red; } <script src="https://ajax.googleapis....

Here is my code: $('body').not('.specific_element').css('opacity','.3'); body{ border: 1px solid; } .specific_element{ border: 1px solid red; } <script src="https://ajax.googleapis....

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Trying to scrape the front page of a website (www.ozbargain.com) to return any content in the a tag that holds a reference to xbox but nothing is being returned to console. I believe the issue is with ...

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