纯JS打造网页中checkbox和radio的美化效果

时间：2021-05-18

图片素材：

效果图：

<head><style>BODY {FONT-FAMILY: "Segoe UI", Frutiger, Tahoma, Helvetica, "Helvetica Neue", Arial, sans-serif; FONT-SIZE:62.5%}LABEL {MARGIN-RIGHT: 1.2em}.custom-checkbox {POSITION: relative}.custom-radio {POSITION: relative}.custom-checkbox INPUT {POSITION: absolute; MARGIN: 0px; TOP: 2px; LEFT: 2px}.custom-checkbox LABEL {POSITION: relative; PADDING-BOTTOM: 0.5em; LINE-HEIGHT: 1; MARGIN: 0px 0px 0.3em; PADDING-LEFT: 30px; PADDING-RIGHT: 0px; DISPLAY: block; FONT-SIZE: 1.3em; CURSOR: pointer; PADDING-TOP: 0.5em}.custom-checkbox LABEL {BACKGROUND: url(./checkbox.gif) no-repeat}.custom-radio LABEL {BACKGROUND: url(./radiobutton.gif) no-repeat}.custom-checkbox LABEL {BACKGROUND-POSITION: -10px -14px}.custom-radio LABEL {BACKGROUND-POSITION: -10px -14px}.custom-checkbox LABEL.hover {BACKGROUND-POSITION: -10px -114px}.custom-checkbox LABEL.focus {BACKGROUND-POSITION: -10px -114px}.custom-radio LABEL.hover {BACKGROUND-POSITION: -10px -114px}.custom-radio LABEL.focus {BACKGROUND-POSITION: -10px -114px}.custom-checkbox LABEL.checked {BACKGROUND-POSITION: -10px -214px}.custom-radio LABEL.checked {BACKGROUND-POSITION: -10px -214px}.custom-checkbox LABEL.checkedHover {BACKGROUND-POSITION: -10px -314px}.custom-checkbox LABEL.checkedFocus {BACKGROUND-POSITION: -10px -314px}.custom-checkbox LABEL.focus {OUTLINE-STYLE: dotted; OUTLINE-COLOR: #ccc; OUTLINE-WIDTH: 1px}.custom-radio LABEL.focus {OUTLINE-STYLE: dotted; OUTLINE-COLOR: #ccc; OUTLINE-WIDTH: 1px}.custom-radio INPUT {POSITION: absolute; MARGIN: 0px; TOP: 2px; LEFT: 2px}.custom-radio LABEL {POSITION: relative; PADDING-BOTTOM: 0.5em; LINE-HEIGHT: 1; MARGIN: 0px 0px 0.3em; PADDING-LEFT: 30px; PADDING-RIGHT: 0px; DISPLAY: block; FONT-SIZE: 1.3em; CURSOR: pointer; PADDING-TOP: 0.5em}</style></head><body><form action="#" method="post"><input type="checkbox" name="genre" id="action" value="action" style="margin-left:100pt;"/><label for="action">答案一</label><input type="checkbox" name="genre" id="comedy" value="comedy" style="margin-left:100pt;" /><label for="comedy">答案二</label><input type="checkbox" name="genre" id="check-3" value="epic" style="margin-left:100pt;"/><label for="check-3">答案三</label><legend>小小球童是有史以来最伟大的电影，对不对？</legend><br><input type="radio" name="opinions" id="totally" value="totally" style="margin-left:100pt;"/><label for="totally">完全</label><input type="radio" name="opinions" id="no-way" value="no-way" style="margin-left:100pt;"/><label for="no-way">您一定是在开玩笑</label><input type="radio" name="opinions" id="whats-caddyshack" value="whats-caddyshack" style="margin-left:100pt;"/><label for="whats-caddyshack">小小球童是什么？</label></form><script>function addClass(b,a){RegExp("(\\s|^)"+a+"(\\s|$)").test(b.className)||(b.className+=" "+a)}function removeClass(b,a){b.className=b.className.replace(RegExp("(\\s|^)"+a+"(\\s|$)")," ")}var wrapOuter = function(target,target2,html){ var wrap = html if(Object.prototype.toString.call(html) === "[object String]"){ if(document.createRange){ var frag = document.createDocumentFragment();var div = document.createElement("div");frag.appendChild(div);div.innerHTML = html;wrap=frag.firstChild.firstChild;}else { //IE8wrap = document.createElement(html); } } target.parentNode.replaceChild(wrap,target); wrap.appendChild(target);wrap.appendChild(target2);}var lblArray=[];var inputArray=[];var checkBoxs=document.getElementsByTagName("input");for(var i=0;i<checkBoxs.length;i++){if("INPUT"==checkBoxs[i].tagName){parents=checkBoxs[i].parentNode;//formif (parents) { for(var j=0;j<parents.children.length;j++) {if(parents.children[j]==checkBoxs[i]){if(parents.children[j+1]){var olabel=parents.children[j+1];var oinput=parents[i];lblArray.push(olabel);inputArray.push(oinput);//在olabel和oinput外面包一层<div>wrapOuter(oinput,olabel,'<div class="custom-'+ oinput.getAttribute('type') +'"></div>');//绑定事件olabel.onmouseover=function(){addClass(this,"hover");}olabel.onmouseout=function(){removeClass(this,"hover");}olabel.onclick=function(){for(var i=0;i<lblArray.length;i++){ if (this==lblArray[i]){if(!inputArray[i].checked){ inputArray[i].checked=false;addClass(this,"checked");if(inputArray[i].type=="radio"){for(var k=0;k<inputArray.length;k++){if (i!=k) {inputArray[k].checked=false;removeClass(lblArray[k],'checked');}}}}else{ if(inputArray[i].type=="checkbox"){ removeClass(this,'checked');inputArray[i].checked=true;} }break;}} //for i end } }break;}} } }}</script></body></html>

以上所述是小编给大家介绍的纯JS打造网页中checkbox和radio的美化效果，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！

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