| 标题 | js字体大小 |
| 内容 | <script> var tgs = new Array( 'div','td','tr'); var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' ); var startSz = 2; function ts( trgt,inc ) { if (!document.getElementById) return var d = document,cEl = null,sz = startSz,i,j,cTags; sz += inc; if ( sz < 0 ) sz = 0; if ( sz > 6 ) sz = 6; startSz = sz; if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ]; cEl.style.fontSize = szs[ sz ]; for ( i = 0 ; i < tgs.length ; i++ ) { cTags = cEl.getElementsByTagName( tgs[ i ] ); for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ]; } } </script> <style> .tabfont{font-size:12px} </style> <body> <a href="javascript:ts('body',1)">+ 放大字体</a> | <a href="javascript:ts('body',-1)">+ 减小字体</a><br><br> <b>Javascript:</b><br><br> <table><tr><td class=tabfont> var tgs = new Array( 'div','td','tr');<br> var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );<br> var startSz = 2;<br> function ts( trgt,inc ) {<br> if (!document.getElementById) return<br> var d = document,cEl = null,sz = startSz,i,j,cTags;<br> sz += inc;<br> if ( sz < 0 ) sz = 0;<br> if ( sz > 6 ) sz = 6;<br> startSz = sz;<br> if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];<br> cEl.style.fontSize = szs[ sz ];<br> for ( i = 0 ; i < tgs.length ; i++ ) {<br> cTags = cEl.getElementsByTagName( tgs[ i ] );<br> for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];<br> }<br> }<br> </td></tr> </table> </body> |
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