📑 File Exchange Workout 01. JavaScript & Text Areas

file_exchange_01.html

JavaScript & Text Areas

xxxxxxxxxx

 

1

%%html

2

<textarea id='input_text' 

3

style='text-align:left; width:300px; height:60px;'>

4

Type text raws here.

5

steps,file1,file2

6

30,1,2

7

They will be written into `demo.txt`.</textarea> 

8

<br/><button id='write_text' style='width:306px'>

9

Write `demo.txt`</button>

10

<a download='demo.txt' id='download_text' 

11

style='padding-left:70px; display:none'>

12

Download `demo.txt`</a>

13

<script>

14

(function(){

15

var textFile=null,

16

  makeTextFile=function (text) {

17

    var data=new Blob([text],{type:'text/plain'});

18

    if (textFile!==null){window.URL.revokeObjectURL(textFile);}

19

    textFile=window.URL.createObjectURL(data);

20

    return textFile;};

21

  var create=document.getElementById('write_text'),

22

      textbox=document.getElementById('input_text');

23

  create.addEventListener('click',function(){

24

    var link=document.getElementById('download_text');

25

    link.href=makeTextFile(textbox.value);

26

    link.style.display='block';},false);

27

})();

Language: Sage Gap GP HTML Macaulay2 Maxima Octave Python R Singular

---

Messages