--- tags: CSS, disqus: hackmd --- # 檢查框線方法 專門用來檢查畫面用的, ```javascript= [].forEach.call($$("*"),function(a){ a.style.outline="1px solid #"+(~~(Math.random()*(1<<24))).toString(16) }) ``` 使用之後畫面上的元素都會有框線。 方便檢查用。 
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