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JavaScript how to change the background color of the page, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

JavaScript changes the background color of a web page

Example 1: enter a color name to change the background color of a web page

Enter the name of the color in a text box (e.g. blue, purple) and click the button next to the text box to change the background color of the page to the color corresponding to the name in the text box.

Implementation code

Web discoloration function show () {var x=document.getElementsByTagName ("body"); var y=document.getElementById ("i1"); var c1=document.getElementById ("i2") .value; var c2 Switch (C1) {case 'blue': c2 = "blue"; break; case 'yellow': c2 = "yellow"; break; case 'light blue': c2 = "lightblue"; break; case 'purple': c2 = "purple"; break Case 'pink': c2 = "pink"; break;} y.style.backgroundColorcolors C2;}

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