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Definition and Usage The z-index property specifies the stack order of an element. An element with greater stack order is always in front of an elemen 阅读全文
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event.stopPropagation()Description: Prevents the event from bubbling up the DOM tree, preventing any parent handlers from being notified of the event.... 阅读全文
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PHP stands for "Hypertext Preprocessor" ,it is a server scripting language.What Can PHP Do?PHP can generate dynamic page contentPHP can create, open, ... 阅读全文
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Differenceconsole.log prints the element in an HTML-like treeconsole.dir prints the element in a JSON-like treeExampleSpecifically, console.log gives ... 阅读全文
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CSS3 2D Transforms Methodstranslate()rotate()scale()skewX()skewY()matrix()1> translate()The translate() method moves an element from its current posit... 阅读全文
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CSS3 Shadow Effectstext-shadowbox-shadow1> text-shadowThe text-shadow property adds shadow to text.This property accepts a comma-separated list of sha... 阅读全文
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CSS3 Rounded CornersThe border-radius property is a shorthand property for setting the four border-*-radius properties.syntaxborder-radius: 1-4 lengt... 阅读全文
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Image Opacity / TransparencyThe CSS opacity property is a part of the CSS3 recommendation.Example1 img {2 opacity: 0.4;3 filter: alpha(opacity... 阅读全文