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                [TOC] ## 1.img間隙 ``` vertical-align:bottom; display:block; font-size:0; 取消 標簽之間的空格 ``` ## 2.移動端的適配 > 因為每個手機的設備寬度不一樣,在一個rem上有兩個2px ``` ~~ <meta name="viewport" content="width=device-width, initial-scale=1.0"> ~~ //刪掉這行,這行是表示視圖寬度是設備屏幕的寬度 <script src="http://g.tbcdn.cn/mtb/lib-flexible/0.3.4/??flexible_css.js,flexible.js"></script> ``` ``` var layoutWidth = window.innerWidth; var devWidth = window.screen.width; var dpr = window.devicePixelRatio; console.log(devWidth) //375 console.log(layoutWidth) //750 console.log(dpr) //2 ``` ## 3.模塊化的理解 ## 4.js內置對象 ``` `Object`、`Array`、`Date日期`、`RegExp正則`、`Function`、`Boolean`、`Number`、`String` ```
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