html gives the label option and adds the label (with code)-HTML Tutorial-php.cn

This article introduces you to the given tag options in html and adding tags (with code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

#HTML：

haveTags
 
 
 addTags

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CSS:

#havetags span, #addtags span { display: inline-block; padding: 0 0 0 10px; margin: 2px 5px; border: 1px solid #000; } #havetags span::after, #addtags span::after { content: "+"; display: inline-block; padding: 0 10px; background-color: #00ffff; margin-left: 5px; } #addtags span::after { content: "x"; }

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JavaScript:

// 拥有的标签 var haveArr = ["HTML", "CSS", "JavaScript", "jQuery", "Vue", "Bootstrap"]; // 添加的标签 var addArr = ["PHP", "MySQL"]; /** * [tagsShow 展示拥有的标签] * @param {[String]} haveTagsId [展示拥有标签的HTML标签Id] * @param {[String]} addTagsId [展示添加标签的HTML标签Id] * @param {[Array]} haveTags [拥有标签的数组] * @param {[Array]} addTags [添加标签的数组] */ function tagsShow(haveTagsId, addTagsId, haveTags, addTags) { for (var i = 0; i < haveTags.length; i++) { document.getElementById(haveTagsId).innerHTML += "" + haveTags[i] + ""; } addTag(haveTagsId, addTagsId, haveArr, addArr); for (var i = 0; i < addTags.length; i++) { document.getElementById(addTagsId).innerHTML += "" + addTags[i] + ""; } delTag(haveTagsId, addTagsId, haveTags, addTags); } /** * 添加标签 * @param {[String]} haveTagsId [展示拥有标签的HTML标签Id] * @param {[String]} addTagsId [展示添加标签的HTML标签Id] * @param {[Array]} haveTags [拥有标签的数组] * @param {[Array]} addTags [添加标签的数组] */ function addTag(haveTagsId, addTagsId, haveTags, addTags) { var len = document.getElementById(haveTagsId).children.length; for (var i = 0; i < len; i++) { document.getElementById(haveTagsId).children[i].onclick = function() { this.remove(); addTags.push(this.innerHTML); document.getElementById(addTagsId).innerHTML += "" + this.innerHTML + ""; haveTags.splice(haveTags.indexOf(this.innerHTML), 1); // 从数组中删除该元素 delTag(haveTagsId, addTagsId, haveTags, addTags); } } } /** * 删除标签 * @param {[String]} haveTagsId [展示拥有标签的HTML标签Id] * @param {[String]} addTagsId [展示添加标签的HTML标签Id] * @param {[Array]} haveTags [拥有标签的数组] * @param {[Array]} addTags [添加标签的数组] */ function delTag(haveTagsId, addTagsId, haveTags, addTags) { var len = document.getElementById(addTagsId).children.length; for (var i = 0; i < len; i++) { document.getElementById(addTagsId).children[i].onclick = function() { this.remove(); haveTags.push(this.innerHTML); document.getElementById(haveTagsId).innerHTML += "" + this.innerHTML + ""; addTags.splice(addTags.indexOf(this.innerHTML), 1); // 从数组中删除该元素 addTag(haveTagsId, addTagsId, haveTags, addTags); } } } // 展示标签 tagsShow('havetags', 'addtags', haveArr, addArr); // 最终数组 document.getElementById("btn").onclick = function(){ console.log(haveArr); console.log(addArr); }

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