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14 lines
433 B
JavaScript
14 lines
433 B
JavaScript
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var textarea;
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function deleteLine(ta){
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let startPos = ta.selectionStart;
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let endPos = ta.selectionEnd;
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let text = ta.value;
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let lStart = startPos-1;
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while(lStart>=0 && text.charAt(lStart)!='\n') lStart--;
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let lEnd = endPos;
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let len = text.length;
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while(lEnd<len && text.charAt(lEnd)!='\n') lEnd++;
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ta.value = text.substring(0,lStart+1) + text.substring(lEnd+1);
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ta.selectionStart = ta.selectionEnd = lStart +1;
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}
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