How to change the innerHTML of the current element?
Question
I am trying to print a text on the current element. I tried these two codes, but they doesn't seem to work:
This one is printing the text in the whole document:
<div>
<script>
fetch('file.txt').then((resp) => resp.text()).then(function(data) {
document.write(data);
});
</script>
</div>
Resulting in this:
<html>
<body>
<!-- THE TEXT THAT I REQUESTED APPEARS HERE -->
</body>
</html>
And the code below is returning the following error:
<div>
<script>
fetch('file.txt').then((resp) => resp.text()).then(function(data) {
document.this.innerHTML(data);
});
</script>
</div>
Cannot read property 'innerHTML' of undefined
3 answers
solution1
2 ACCPTED 2019-04-18 18:08:51
Replace this with body . innerHTML is not a function its a property you need to set it.
I think you want to append to the <div> in which the <script> us present. You can access the script and get its parentNode
<div>
<script>
const script = document.scripts[document.scripts.length - 1];
fetch('file.txt').then((resp) => resp.text()).then(function(data) {
script.parentNode.innerHTML = data;
});
</script>
</div>
Note: document.scripts[document.scripts.length - 1] will get the current <script> tag because it will be lastest script executed.
solution2
0 2019-04-18 18:19:02
You can use document.writeln() to write within the current div
<div>
<script>
fetch('file.txt').then((resp) => resp.text()).then(function(data) {
document.writeln(data);
});
</script>
</div>
Hre is a similar example demonstrating the result.
<div> <script> Promise.resolve('abc123<br>xyz789') .then(function(data) { document.writeln(data) }); </script> </div>
solution3
0 2019-04-18 18:22:38
First you should move the script out of the div and then replace 'this' in your code with a reference to the target div.
If you give your div an id of 'target' you could do the following:
const target = document.getElementById('target');
fetch('file.txt').then((resp) => resp.text()).then((data) => target.innerHTML = data);
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