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Where is the default size of a div element defined or calculated? I wonder how a browser calculates the initial height and width values for div elemen 阅读全文
posted @ 2021-01-12 19:04
ChuckLu
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Why padding is included in height sometimes? That depends on what box-sizing attribute you have used: border-box means that the height and width of th 阅读全文
posted @ 2021-01-12 18:02
ChuckLu
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Event reference DOM Events are sent to notify code of interesting things that have taken place. Each event is represented by an object which is based 阅读全文
posted @ 2021-01-12 16:23
ChuckLu
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Examine Event Listeners(Firefox) firefox只显示事件本来所处的元素上，不会在子元素上显示 What is event bubbling and capturing? How to find Event Listeners on a DOM Node when D 阅读全文
posted @ 2021-01-12 15:26
ChuckLu
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What Causes Stock Prices to Change? Stock prices change everyday by market forces. By this we mean that share prices change because of supply and dema 阅读全文
posted @ 2021-01-12 12:46
ChuckLu
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Declaring variables without var keyword At w3schools there is written: If you declare a variable, without using "var", the variable always becomes GLO 阅读全文
posted @ 2021-01-12 09:53
ChuckLu
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Do I have to return something in javascript function? No; Javascript functions are not required to return a value. If you call a function that doesn't 阅读全文
posted @ 2021-01-12 09:46
ChuckLu
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