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| .overlay{ /*用于遮挡背景*/ | |
| position: fixed; | |
| top: 0; | |
| right: 0; | |
| bottom: 0; | |
| left: 0; | |
| background: rgba(0,0,0,.8); | |
| } | |
| .lightbox{ /*用于吸引用户注意的元素*/ |
mercer08
/ getElementByClassName.js
Last active
August 4, 2017 12:31
this is code of the book(DOM Scripting Web Design with JavaScript and the Doucment Object Model), the way to make the method of getElementByClassName to be true;
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| function getElementByClassName (node,classname) { | |
| if (node.getElementByClassName) { | |
| return node.getElementByClassName(classname); | |
| } else { | |
| var elems = getElementByTagName("*"); | |
| var results = []; | |
| for (var i = 0; i < elems.length; i++) { | |
| if (elems[i].className.indexOf(classname) != -1) { | |
| results.push(elems[i]); | |
| } |