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1 <!DOCTYPE html> |
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2 <html> |
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3 <head> |
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4 <script> |
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5 |
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6 function boom() |
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7 { |
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8 var mo = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mo"); |
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9 var t1 = document.createTextNode("123456 "); |
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10 mo.appendChild(t1); |
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11 document.body.appendChild(mo); |
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12 var t2 = document.createTextNode("x"); |
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13 document.body.appendChild(t2); |
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14 |
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15 var r1 = document.createRange(); |
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16 r1.setEnd(t1, 7); |
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17 var r3 = document.createRange(); |
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18 r3.setStart(t1, 7); |
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19 |
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20 document.documentElement.offsetHeight; |
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21 |
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22 var r2 = document.createRange(); |
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23 r2.setStart(t1, 0); |
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24 r2.setEnd(t2, 0); |
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25 r2.deleteContents(); |
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26 } |
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27 |
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28 </script> |
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29 </head> |
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30 |
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31 <body onload="boom();"></body> |
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32 </html> |