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Why is document.body null in my javascript?
... section that uses body. Not cool.
You want to wrap this code in a window.onload handler or place it after the <body> tag (as mentioned by e-bacho 2.0).
<head>
<title>Javascript Tests</title>
<script type="text/javascript">
window.onload = function() {
...
Pure JavaScript Send POST Data Without a Form
...'application/json');
xhr.send(JSON.stringify({
value: 'value'
}));
xhr.onload = function() {
console.log("HELLO")
console.log(this.responseText);
var data = JSON.parse(this.responseText);
console.log(data);
}
</script></body></html>
Python server (for testing):
impo...
window.onload vs
What exactly is the difference between the window.onload event and the onload event of the body tag? when do I use which and how should it be done correctly?
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How to add onload event to a div element
How do you add an onload event to an element?
24 Answers
24
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Disable browser's back button
...pinion cross domain redirect script either need banning or allowing the to confirm if the script is allowed to run because of just this sort of abuse
– MikeT
Jan 4 '17 at 17:12
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ng-model for `` (with directive DEMO)
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I confirm the same experience; very nice debug and explanation. I'm not sure why the directive is creating its own scope.
– Adam Casey
Aug 12 '14 at 2:32
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How do I rename all files to lowercase?
...and drop the Folder containing the files to be renamed into the window.
To confirm you're in the correct directory, type ls and hit enter.
Paste this code and hit enter:
for f in *; do mv "$f" "$f.tmp"; mv "$f.tmp" "`echo $f | tr "[:upper:]" "[:lower:]"`"; done
To confirm that all your files are l...
How to run a function when the page is loaded?
...
window.onload = codeAddress; should work - here's a demo, and the full code:
<!DOCTYPE html>
<html>
<head>
<title>Test</title>
<meta http-equiv="Content-Type" content="te...
Show an image preview before upload
...").onchange = function () {
var reader = new FileReader();
reader.onload = function (e) {
// get loaded data and render thumbnail.
document.getElementById("image").src = e.target.result;
};
// read the image file as a data URL.
reader.readAsDataURL(this.files[0]...
How do I call a JavaScript function on page load?
...lly, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a bit of JavaScript (usually only calling a function)
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