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JavaScript±à³Ì±Ê¼Ç

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<script>
 //¼ì²éÊÇ·ñΪÈÎÒâÊý£¨ÊµÊý£©
function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
 //¼ì²éÊÇ·ñΪÕýÊý
function isUnsignedNumeric(strNumber) {
var newPar=/^\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
//¼ì²éÊÇ·ñΪÕûÊý
function isInteger(strInteger) {
var newPar=/^(-|\+)?\d+$/
alert(newPar.test(strInteger)); }
//¼ì²éÊÇ·ñΪÕýÕûÊý
function isUnsignedInteger(strInteger) {
var newPar=/^\d+$/
alert(newPar.test(strInteger)); }
</script>
2¡¢asp.netÖÐÓÃalert£¨£©ÊµÏÖ»»ÐÐÎÊÌâ
     asp.netÖÐÓÃresponse.Write("<script>alert('Ìáʾ£º\n²Ù×÷³ö´í£¡');</script>");ÎÞ·¨Ö´ÐС£
     ½«×Ö·û´®Ð´³É
     say="Ìáʾ£º\\n²Ù×÷³ö´í£¡"
     say=@"Ìáʾ£º\n²Ù×÷³ö´í£¡"
  
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JavaScript±à³Ì±Ê¼Ç

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<script>
 //¼ì²éÊÇ·ñΪÈÎÒâÊý£¨ÊµÊý£©
function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
 //¼ì²éÊÇ·ñΪÕýÊý
function isUnsignedNumeric(strNumber) {
var newPar=/^\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
//¼ì²éÊÇ·ñΪÕûÊý
function isInteger(strInteger) {
var newPar=/^(-|\+)?\d+$/
alert(newPar.test(strInteger)); }
//¼ì²éÊÇ·ñΪÕýÕûÊý
function isUnsignedInteger(strInteger) {
var newPar=/^\d+$/
alert(newPar.test(strInteger)); }
</script>
2¡¢asp.netÖÐÓÃalert£¨£©ÊµÏÖ»»ÐÐÎÊÌâ
     asp.netÖÐÓÃresponse.Write("<script>alert('Ìáʾ£º\n²Ù×÷³ö´í£¡');</script>");ÎÞ·¨Ö´ÐС£
     ½«×Ö·û´®Ð´³É
     say="Ìáʾ£º\\n²Ù×÷³ö´í£¡"
     say=@"Ìáʾ£º\n²Ù×÷³ö´í£¡"
  
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javascript prototype½éÉܵÄÎÄÕÂ

JavaScriptÊÇ»ùÓÚ¶ÔÏóµÄ£¬ÈκÎÔªËØ¶¼¿ÉÒÔ¿´³É¶ÔÏó¡£È»¶ø£¬ÀàÐͺͶÔÏóÊDz»Í¬µÄ¡£±¾ÎÄÖУ¬ÎÒÃdzýÁËÌÖÂÛÀàÐͺͶÔÏóµÄÒ»Ð©ÌØµãÖ®Í⣬¸üÖØÒªµÄÊÇÑо¿ÈçºÎд³öºÃµÄ²¢ÇÒÀûÓÚÖØÓõÄÀàÐÍ¡£±Ï¾¹£¬JavaScriptÕâÖÖÁ÷ÐеĽű¾ÓïÑÔÈç¹ûÄܹ»½øÐÐÁ¼ºÃµÄ·â×°£¬²¢ÐγÉÒ»¸öÅÓ´óµÄÀàÐͿ⣬¶ÔÓÚÖØÓÃÊǷdz£ÓÐÒâÒåµÄ¡£
ÍøÉ϶ÔÓÚprototypeµÄÎÄÕºܶ࣬һֱûÃ÷°×ºËÐĵÄ˼Ïë¡£×îºóдÁ˺ܶàÀý×Ó´úÂëºó²ÅÃ÷°×£ºprototypeÖ»ÄÜÓÃÔÚÀàÐÍÉÏ¡£
ÒÔÏÂÊÇһЩ¹ØÓÚÀàÐͺͶÔÏóµÄÀý×Ó£¬´ó¼Ò¿´ÍêÀý×Óºó¿ÉÄܸüÈÝÒ×Àí½âÀàÐͺͶÔÏóÖ®¼äµÄÁªÏµ£º
 
  Àý×Ó´úÂë ˵Ã÷
1 Object.prototype.Property = 1;
Object.prototype.Method = function ()
{
    alert(1);
}
 
var obj = new Object();
alert(obj.Property);
obj.Method();
¿ÉÒÔÔÚÀàÐÍÉÏʹÓÃproptotypeÀ´ÎªÀàÐÍÌí¼ÓÐÐΪ¡£ÕâЩÐÐΪֻÄÜÔÚÀàÐ͵ÄʵÀýÉÏÌåÏÖ¡£
JSÖÐÔÊÐíµÄÀàÐÍÓÐArray, Boolean, Date, Enumerator, Error, Function, Number, Object, RegExp, String
2 var obj = new Object();
obj.prototype.Property = 1; //Error
//Error
obj.prototype.Method = function()
{
    alert(1);
} ......

ÈçºÎÎÒjavaScript»ñÈ¡´°¿ÚµÄ¸ß¶ÈºÍ¿í¶È

ÔÚjavascriptÖеõ½µ±Ç°´°¿ÚµÄ¸ßºÍ¿í
<body><SCRIPT LANGUAGE="JavaScript">
var  s = "";
s += "\r\nÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.clientHeight;
s += "\r\nÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.offsetWidth  +" (°üÀ¨±ßÏߺ͹ö¶¯ÌõµÄ¿í)";
s += "\r\nÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.body.offsetHeight +" (°üÀ¨±ßÏߵĿí)";
s += "\r\nÍøÒ³ÕýÎÄÈ«ÎÄ¿í£º"+ document.body.scrollWidth;
s += "\r\nÍøÒ³ÕýÎÄÈ«Îĸߣº"+ document.body.scrollHeight;
s += "\r\nÍøÒ³±»¾íÈ¥µÄ¸ß£º"+ document.body.scrollTop;
s += "\r\nÍøÒ³±»¾íÈ¥µÄ×ó£º"+ document.body.scrollLeft;
s += "\r\nÍøÒ³ÕýÎIJ¿·ÖÉÏ£º"+ window.screenTop;
s += "\r\nÍøÒ³ÕýÎIJ ......

jLayout — JavaScript Layout Algorithms


The jLayout JavaScript library provides layout algorithms for laying out components. A component is an abstraction; it can be implemented in many ways, for example as items in a HTML5 Canvas drawing or as HTML elements. The jLayout library allows you to focus on drawing the individual components instead of on how to arrange them on your screen.
The library currently provides four layout algorithms: border, which lays out components in five different regions;grid, which lays out components in a user defined grid, flex-grid which offers a grid with flexible column and row sizes, and flow which flows components in a user defined direction. Using the grid and flex-grid algorithms you can also create horizontal and vertical layouts. A jQuery plugin to lay out (X)HTML elements is also available.
http://www.bramstein.com/projects/jlayout/ ......

Oracle²é¿´·ÖÇø±íÐÅÏ¢


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ÏÔʾOracle²é¿´·ÖÇø±íÐÅÏ¢ ÏÔʾÊý¾Ý¿âËùÓзÖÇø±íµÄÏêϸ·ÖÇøÐÅÏ¢£ºDBA_TAB_PARTITIONS
ÏÔʾµ±Ç°Óû§¿É·ÃÎʵÄËùÓзÖÇø±íµÄÏêϸ·ÖÇøÐÅÏ¢£ºALL_TAB_PARTITIONS
ÏÔʾµ±Ç°Óû§ËùÓзÖÇø±íµÄÏêϸ·ÖÇøÐÅÏ¢£ºUSER_TAB_PARTITIONS
ÏÔʾ×Ó·ÖÇøÐÅÏ¢ ÏÔʾÊý¾Ý¿âËùÓÐ×éºÏ·ÖÇø±íµÄ×Ó·ÖÇøÐÅÏ¢£ºDBA_TAB_SUBPARTITIONS
ÏÔʾµ±Ç°Óû§¿É·ÃÎʵÄËùÓÐ×éºÏ·ÖÇø±íµÄ×Ó·ÖÇøÐÅÏ¢£ºALL_TAB_SUBPARTITIONS
ÏÔʾµ±Ç°Óû§ËùÓÐ×éºÏ·ÖÇø±íµÄ×Ó·ÖÇøÐÅÏ¢£ºUSER_TAB_SUBPARTITIONS
ÏÔʾ·ÖÇøÁÐ ÏÔʾÊý¾Ý¿âËùÓзÖÇø±íµÄ·ÖÇøÁÐÐÅÏ¢£ºDBA_PART_KEY_COLUMNS
ÏÔʾµ±Ç°Óû§¿É·ÃÎʵÄËùÓзÖÇø±íµÄ·ÖÇøÁÐÐÅÏ¢£ºALL_PART_KEY_COLUMNS
ÏÔʾµ±Ç°Óû§ËùÓзÖÇø±íµÄ·ÖÇøÁÐÐÅÏ¢£ºUSER_PART_KEY_COLUMNS
ÏÔʾ×Ó·ÖÇøÁÐ ÏÔʾÊý¾Ý¿âËùÓзÖÇø±íµÄ×Ó·ÖÇøÁÐÐÅÏ¢£ºDBA_SUBPART_KEY_COLUMNS
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