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How do I change the background color with JavaScript?

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春和景丽
春和景丽 2020-11-22 13:59

Anyone know a simple method to swap the background color of a webpage using JavaScript?

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19条回答
  • 逝去的感伤
    2020-11-22 14:47

    This is simple coding for changing background using javascript

    <body onLoad="document.bgColor='red'">
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  • 粉色の甜心
    2020-11-22 14:49 
    <!DOCTYPE html>
<html>
<body>
<select name="" id="select" onClick="hello();">
    <option>Select</option>
    <option style="background-color: #CD5C5C;">#CD5C5C</option>
    <option style="background-color: #F08080;">#F08080</option>
    <option style="background-color: #FA8072;">#FA8072</option>
    <option style="background-color: #E9967A;">#E9967A</option>
    <option style="background-color: #FFA07A;">#FFA07A</option>
</select>
<script>
function hello(){
let d = document.getElementById("select");
let text = d.options[d.selectedIndex].value;
document.body.style.backgroundColor=text;
}
</script>
</body>
</html>
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  • 被撕碎了的回忆
    2020-11-22 14:51

    I wouldn't really class this as "AJAX". Anyway, something like following should do the trick: 

    document.body.style.backgroundColor = 'pink';
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  • 再見小時候
    2020-11-22 14:52 

    function pink(){ document.body.style.background = "pink"; }
function sky(){ document.body.style.background = "skyblue"; }
    <p onclick="pink()" style="padding:10px;background:pink">Pink</p>
<p onclick="sky()" style="padding:10px;background:skyblue">Sky</p>

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  • 走了就别回头了
    2020-11-22 14:54

    You can change background of a page by simply using:

    document.body.style.background = #000000; //I used black as color code

    However the below script will change the background of the page after every 3 seconds using setTimeout() function:

    $(function() {
            var colors = ["#0099cc","#c0c0c0","#587b2e","#990000","#000000","#1C8200","#987baa","#981890","#AA8971","#1987FC","#99081E"];

            setInterval(function() { 
                var bodybgarrayno = Math.floor(Math.random() * colors.length);
                var selectedcolor = colors[bodybgarrayno];
                $("body").css("background",selectedcolor);
            }, 3000);
        })

    READ MORE

    DEMO

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  • 感动是毒
    2020-11-22 14:55

    Modify the JavaScript property document.body.style.background.

    For example:

    function changeBackground(color) {
   document.body.style.background = color;
}

window.addEventListener("load",function() { changeBackground('red') });

    Note: this does depend a bit on how your page is put together, for example if you're using a DIV container with a different background colour you will need to modify the background colour of that instead of the document body.

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