js怎么设置div层左边距 及与顶部边距

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js怎么设置div层左边距 及与顶部边距,第1张

<div id="ddd">

<div class="left"><img src="img/123.jpg"/></div>

<div class="left"><img src="img/345.jpg"/></div>

</div>

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var divs=ddd.getElementsByTagName("div")

divs[0].style.marginRight = "20px"

divs[1].style.marginLeft = "20px"

<div id="ddd">

<div class="left"><img src="img/123.jpg"/></div>

<div class="left"><img src="img/345.jpg"/></div>

</div>

////////////////

var divs=ddd.getElementsByTagName("div")

divs[0].style.marginRight = "20px"

divs[1].style.marginLeft = "20px"

var body = document.getElementsByTagName('body')[0]

body.style.margin = 0

body.style.padding = 0