Code to set css properties through javascript_javascript tips

1. Transparency:
If a background color or a background image is not specified for a text, then the background of this element is usually transparent.
This is very important. If an absolutely positioned element with text is placed on top of an element with text, it will be very confusing. Then we can cover it by setting a background image or background color. , if necessary, we can set its display to "transparent" (transparent)
The general css for setting transparent elements is as follows:

Copy code The code is as follows:

opacity:.75;//ff new
-moz-opacity:.75;// transparency for older Mozillas
filter :Alpha(opacity=75);//for IE

2. CSS with hyphens:
Camel style naming:

Copy code The code is as follows:

element.style.fontFamily = "sans-serif";
element.style. borderLeftWidth = "5px";
element.style.zIndex = 100;

3. Things to note:

Copy code The code is as follows:

var padding_left = 50;
element.style.left = padding_left "px";//Don’t forget to add Unit
var topMargin = 10,rigntMargin = 11,bottomMargin = 12,leftMargin = 13;
element.style.margin = topMargin "px" rigntMargin "px" bottomMargin "px" leftMargin "px";

4. Set float

Copy code The code is as follows:

element.style.cssFloat = "left";//firefox chrome opera
element.style.styleFloat = "left";//IE