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If an editing host receives focus, we would always set a new selection range. However, we only need to do that if we're not already part of the active range. This corresponds to behavior shown by Chrome and Firefox.
26 lines
909 B
HTML
26 lines
909 B
HTML
<!DOCTYPE html>
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<div contenteditable>foo</div>
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<script src="include.js"></script>
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<script>
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test(() => {
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const divElm = document.querySelector('div[contenteditable]');
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// Select the middle 'o'
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let range = document.createRange();
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range.setStart(divElm.childNodes[0], 1);
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range.setEnd(divElm.childNodes[0], 2);
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getSelection().addRange(range);
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println(`Range: ${range.startContainer} ${range.startOffset} ${range.endContainer} ${range.endOffset}`);
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println(`document.activeElement: ${document.activeElement}`);
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// Refocus on the editing host
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document.body.focus();
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divElm.focus();
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println('Selection must be the same as above:');
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range = getSelection().getRangeAt(0);
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println(`Range: ${range.startContainer} ${range.startOffset} ${range.endContainer} ${range.endOffset}`);
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println(`document.activeElement: ${document.activeElement}`);
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});
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</script>
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