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Sometime, use can rewrite the toString , valueOf method to make those function more useful: For exmaple, we can make valueOf() function to calcualte t 阅读全文
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function Fencepost (x, y, postNum){ this.x = x; this.y = y; this.postNum = postNum; this.connectionsTo = []; } Fencepost.prototype = { sendRopeTo: fun 阅读全文
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You can add prototype to any object in Jacascript likes Object, Array, String... prototype 有继承的作用，比如说我有一个String的对象，我可以访问Object的prototype hasPrototype( 阅读全文
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Convert the AppointmentForm view below to use Mustache templating. Make sure you remember to change the <%= %> placeholders with Mustache's {{}} place 阅读全文
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Our first step is to add a template to the AppointmentForm below. Have the template produce a form with two inputs, one for the title of the appointme 阅读全文
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Below we have our AppointmentsView instance rendering and then taking the rendered HTML and inserting into the$('#app') element. Change the code to in 阅读全文
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Duplication is Bad. Let's DRY (Don't Repeat Yourself) our routes to make /pp:per_page an optional part of the pageroute. var AppRouter = new (Backbone 阅读全文
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如果在一个容器中的子元素使用了position:absolute, 那么他可能会跑出父元素的框架范围。 如果想限定子元素在付元素的框架范围，可以在父元素上加position：relative; 对于一个父元素，比如bigWrapper, mainHeader, mainFooter 可以加上posi 阅读全文
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<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="index.css" /> </head> <div class="db group"> <!-- 在含有float的容器中家group class--> <div id="l" s 阅读全文
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var vehicle1 = {type: "Motorboat", capacity: 6, storedAt: "Ammunition Depot"}; var vehicle2 = {type: "Jet Ski", capacity: 1, storedAt: "Reef Dock"}; v 阅读全文