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最新评论
When setting a number into a style property you must specify the unit in order for it to work across all browsers.
<html> <head> <title>Pixel Style Test</title> <script type="text/javascript"> (function () { // setting of numbers to properties that normal consume pixels, you have to append the unit, in this case, it is the px itself. var check = /z-?index|font-?weight|opacity|zoom|line-?height/i; this.pxStyle = function (elem, name, value) { var nopx = check.test(name); if (typeof value !== "undefined") { if (typeof value === "number") { // when you set the number to attribute of Style that expects some px unit, you should append "px" to the end. value += nopx ? "" : "px"; } elem.style[name] = value; } return nopx ? elem.style[name] : // always return the value parseFloat. parseFloat(elem.style[name]); }; })(); </script> <script type="text/javascript"> window.onload = function () { var elem = document.getElementById("div"); alert pxStyle(elem, "top", 5); // Alerts out '5' alert(pxStyle(elem, "left")); }; </script> </head> <body> <div style="top:10px;left:5px;" id="div" ></div> </body> </html>
发表评论
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javascript - trick to cross browser DOM ready event
2012-08-24 08:23 901the "ready" event ... -
javascript - trick to simulate mouseenter and mouseleave
2012-08-23 08:31 2228Previously we discussed javasc ... -
javascript - trick to simulate the change event
2012-08-22 08:51 1611In the previous discussion a ... -
javascript - trick to simulate bubbling submit event
2012-08-22 08:03 883In the previous discussion abou ... -
javascript - trick to implement bubbling submit event
2012-08-23 07:55 670Following up to the javascrip ... -
javascript - trick to detect bubbling supportability
2012-08-20 22:22 932Event delegation is oe of the b ... -
javascript - trigger event and custom events
2012-08-20 21:58 2045In the previous post - javascri ... -
javascript - trick to handlers management
2012-08-20 08:19 995We have discussed "javascr ... -
javascript - trick to centralized store
2012-08-20 07:52 785For a number of reasons it's ... -
javascript - trick to fix the event object
2012-08-20 07:47 850Many browsers, especially In ... -
javascript - tricks to deal with colors
2012-08-15 08:34 742There are a couple of ways to r ... -
javascript - trick to manipulate the opacity
2012-08-15 08:26 744All other browsre may have supp ... -
javascript - trick to test visibility of an element
2012-08-15 08:15 497though there is a visible prope ... -
javascript - trick to get and set height and width
2012-08-15 08:05 519when looking at properties t ... -
javascript - trick to get and set CSS style
2012-08-16 11:00 718while it will not be so much tr ... -
javascript - trick to normalize href for IE
2012-08-16 10:59 507IE is again the only browser th ... -
javascript - trick IE form and its expando attribute
2012-08-16 10:59 1008there is a known issue that if ... -
javascript expando and attributes
2012-08-14 08:15 1010expando is something like this ... -
javascript - trick to getText and setText
2012-08-14 07:40 1106it is not as simple as you thin ... -
javascript - trick/guideline to remove DOM element
2012-08-14 07:00 1156remove an element is not as sim ...
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