abstract:<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>changeDIV</title> <style> #box
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>changeDIV</title> <style> #box{ width:100px; height:100px; background:red; margin:20px 80px; } </style> </head> <body> <div id="box"></div> <input type="button" value="變高" onclick="aa()"> <input type="button" value="變寬" onclick="bb()"> <input type="button" value="變色" onclick="cc()"> <input type="button" value="重置" onclick="dd()"> <input type="button" value="隱藏" onclick="ee()"> <input type="button" value="顯示" onclick="ff()"> <script> var box window.onload=function(){ box=document.getElementById("box"); } function aa(){ box.style.height="400px"; } function bb(){ box.style.width="400px"; } function cc(){ box.style.background="blue"; } function dd(){ box.style.width="100px"; box.style.height="100px"; box.style.background="red"; } function ee(){ box.style.display="none"; } function ff(){ box.style.display="block"; } </script> </body> </html>
總結(jié):在對網(wǎng)頁的布局中,如果想要對DIV的樣式做出改變,可以運用JS來改變DIV中的樣式,在本節(jié)課中,我學(xué)到了如何運用JS來改變DIV的樣式,聲明的變量.style.屬性名="屬性值",如果屬性有“-”號,就寫成駝峰形式。要多加練習(xí),好好掌握,深入理解。
Correcting teacher:天蓬老師Correction time:2019-04-01 10:09:59
Teacher's summary:有空了解一下classList, 它現(xiàn)在已可以代替掉className了