Exploring the process of opening new windows using JavaScript.
var myWindow = window.open();
myWindow.document.write('html');
Is it feasible to inject content into the document before the window fully loads? I aim to include a complete HTML structure, along with some JavaScript code. Despite attempting to concatenate the HTML code, it failed to work even when using my trusty code editor.
To prepare the entire document in advance of opening it, one option is through a data URI or an Object URL that points to a Blob.
// Utilizing Blob method which is more modern with minimal restrictions
function createWindow(code) {
var blob = new Blob([code], {type: 'text/html'}),
url = URL.createObjectURL(blob),
win = window.open(url, '_blank');
URL.revokeObjectURL(url); // cleanup
return win;
}
createWindow('\
<!doctype html>\n\
<html>\n\
<head>\n\
<title>Hello World!</title>\n\
</head>\n\
<body>\n\
<span>Foobar</span>\n\
</body>\n\
</html>\n\
');
Alternatively, you can also use this approach:
// Employing data URI method, which has more limitations but is compatible with older browsers
function createWindow2(code) {
return window.open('data:text/html,' + window.encodeURIComponent(code), '_blank');
}
createWindow2('\
<!doctype html>\n\
<html>\n\
<head>\n\
<title>Hello World!</title>\n\
</head>\n\
<body>\n\
<span>Fizzbuzz</span>\n\
</body>\n\
</html>\n\
');
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