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I have the following code which reads a the content of a file line by line.

 document.getElementById('file').onchange = function() {
 var file = this.files[0];
 var reader = new FileReader();
 reader.onload = function(progressEvent) {
   var fileContentArray = this.result.split(/\r\n|\n/);
   for (var line = 0; line < lines.length - 1; line++) {
     console.log(line + " --> " + lines[line]);
    }
  };
  reader.readAsText(file);
};

I know that the code to delay in JS it´s

setTimeout(function() { 
}, 1000)

But I´ve to put it before the for loop and it doesn´t work. I want to show line by line but with a delay of 1 sec between lines

0 Answers0