js实现点击图片在屏幕中间弹出放大效果
效果图
点击图片后
关键代码
html
<div>
<img height="100" width="100" src="/UploadFiles/2021-04-02/ocean-3605547_960_720.jpg">
js
<script src="/UploadFiles/2021-04-02/jquery.min.js">
使用方式
将以下两个文件放在同一个文件夹下，使用浏览器打开1.html
完整代码
完整1.html
<html>
<head>
<script src="/UploadFiles/2021-04-02/jquery.min.js">
jquery.min.js (常规jquery包)
/*! jQuery v1.11.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
!function(a,b){"object"==typeof module&&"object"==typeof module.exports"jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof window"1.11.1",m=function(a,b){return new m.fn.init(a,b)},n=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,o=/^-ms-/,p=/-([\da-z])/gi,q=function(a,b){return b.toUpperCase()};m.fn=m.prototype={jquery:l,constructor:m,selector:"",length:0,toArray:function(){return d.call(this)},get:function(a){return null!=a"boolean"==typeof g&&(j=g,g=arguments[h]||{},h++),"object"==typeof g||m.isFunction(g)||(g={}),h===i&&(g=this,h--);i>h;h++)if(null!=(e=arguments[h]))for(d in e)a=g[d],c=e[d],g!==c&&(j&&c&&(m.isPlainObject(c)||(b=m.isArray(c)))"jQuery"+(l+Math.random()).replace(/\D/g,""),isReady:!0,error:function(a){throw new Error(a)},noop:function(){},isFunction:function(a){return"function"===m.type(a)},isArray:Array.isArray||function(a){return"array"===m.type(a)},isWindow:function(a){return null!=a&&a==a.window},isNumeric:function(a){return!m.isArray(a)&&a-parseFloat(a)>=0},isEmptyObject:function(a){var b;for(b in a)return!1;return!0},isPlainObject:function(a){var b;if(!a||"object"!==m.type(a)||a.nodeType||m.isWindow(a))return!1;try{if(a.constructor&&!j.call(a,"constructor")&&!j.call(a.constructor.prototype,"isPrototypeOf"))return!1}catch(c){return!1}if(k.ownLast)for(b in a)return j.call(a,b);for(b in a);return void 0===b||j.call(a,b)},type:function(a){return null==a"":"object"==typeof a||"function"==typeof a"object":typeof a},globalEval:function(b){b&&m.trim(b)&&(a.execScript||function(b){a.eval.call(a,b)})(b)},camelCase:function(a){return a.replace(o,"ms-").replace(p,q)},nodeName:function(a,b){return a.nodeName&&a.nodeName.toLowerCase()===b.toLowerCase()},each:function(a,b,c){var d,e=0,f=a.length,g=r(a);if(c){if(g){for(;f>e;e++)if(d=b.apply(a[e],c),d===!1)break}else for(e in a)if(d=b.apply(a[e],c),d===!1)break}else if(g){for(;f>e;e++)if(d=b.call(a[e],e,a[e]),d===!1)break}else for(e in a)if(d=b.call(a[e],e,a[e]),d===!1)break;return a},trim:function(a){return null==a"":(a+"").replace(n,"")},makeArray:function(a,b){var c=b||[];return null!=a&&(r(Object(a))"string"==typeof a"string"==typeof b&&(f=a[b],b=a,a=f),m.isFunction(a)"Boolean Number String Function Array Date RegExp Object Error".split(" "),function(a,b){h["[object "+b+"]"]=b.toLowerCase()});function r(a){var b=a.length,c=m.type(a);return"function"===c||m.isWindow(a)"array"===c||0===b||"number"==typeof b&&b>0&&b-1 in a}var s=function(a){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u="sizzle"+-new Date,v=a.document,w=0,x=0,y=gb(),z=gb(),A=gb(),B=function(a,b){return a===b&&(l=!0),0},C="undefined",D=1<<31,E={}.hasOwnProperty,F=[],G=F.pop,H=F.push,I=F.push,J=F.slice,K=F.indexOf||function(a){for(var b=0,c=this.length;c>b;b++)if(this[b]===a)return b;return-1},L="checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",M="[\\x20\\t\\r\\n\\f]",N="(",O=N.replace("w","w#"),P="\\["+M+"*("+N+")("+M+"*([*^$|!~]"+M+"*("(("])*)\"|("+O+"))|)"+M+"*\\]",Q=":("+N+")("(("])*)\")|(("+P+")*)|.*)\\)|)",R=new RegExp("^"+M+"+|(("+M+"+$","g"),S=new RegExp("^"+M+"*,"+M+"*"),T=new RegExp("^"+M+"*([>+~]|"+M+")"+M+"*"),U=new RegExp("="+M+"*([^\\]'\"]*"+M+"*\\]","g"),V=new RegExp(Q),W=new RegExp("^"+O+"$"),X={ID:new RegExp("^#("+N+")"),CLASS:new RegExp("^\\.("+N+")"),TAG:new RegExp("^("+N.replace("w","w*")+")"),ATTR:new RegExp("^"+P),PSEUDO:new RegExp("^"+Q),CHILD:new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)("+M+"*(even|odd|(([+-]|)(\\d*)n|)"+M+"*("+M+"*(\\d+)|))"+M+"*\\)|)","i"),bool:new RegExp("^("+L+")$","i"),needsContext:new RegExp("^"+M+"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)("+M+"*(("+M+"*\\)|)(","i")},Y=/^("\\\\([\\da-f]{1,6}"+M+""+M+")|.)","ig"),db=function(a,b,c){var d="0x"+b-65536;return d!==d||c"string"!=typeof a)return d;if(1!==(k=b.nodeType)&&9!==k)return[];if(p&&!e){if(f=_.exec(a))if(j=f[1]){if(9===k){if(h=b.getElementById(j),!h||!h.parentNode)return d;if(h.id===j)return d.push(h),d}else if(b.ownerDocument&&(h=b.ownerDocument.getElementById(j))&&t(b,h)&&h.id===j)return d.push(h),d}else{if(f[2])return I.apply(d,b.getElementsByTagName(a)),d;if((j=f[3])&&c.getElementsByClassName&&b.getElementsByClassName)return I.apply(d,b.getElementsByClassName(j)),d}if(c.qsa&&(!q||!q.test(a))){if(s=r=u,w=b,x=9===k&&a,1===k&&"object"!==b.nodeName.toLowerCase()){o=g(a),(r=b.getAttribute("id"))"\\$&"):b.setAttribute("id",s),s="[id='"+s+"'] ",l=o.length;while(l--)o[l]=s+qb(o[l]);w=ab.test(a)&&ob(b.parentNode)||b,x=o.join(",")}if(x)try{return I.apply(d,w.querySelectorAll(x)),d}catch(y){}finally{r||b.removeAttribute("id")}}}return i(a.replace(R,"$1"),b,d,e)}function gb(){var a=[];function b(c,e){return a.push(c+" ")>d.cacheLength&&delete b[a.shift()],b[c+" "]=e}return b}function hb(a){return a[u]=!0,a}function ib(a){var b=n.createElement("div");try{return!!a(b)}catch(c){return!1}finally{b.parentNode&&b.parentNode.removeChild(b),b=null}}function jb(a,b){var c=a.split("|"),e=a.length;while(e--)d.attrHandle[c[e]]=b}function kb(a,b){var c=b&&a,d=c&&1===a.nodeType&&1===b.nodeType&&(~b.sourceIndex||D)-(~a.sourceIndex||D);if(d)return d;if(c)while(c=c.nextSibling)if(c===b)return-1;return a"input"===c&&b.type===a}}function mb(a){return function(b){var c=b.nodeName.toLowerCase();return("input"===c||"button"===c)&&b.type===a}}function nb(a){return hb(function(b){return b=+b,hb(function(c,d){var e,f=a([],c.length,b),g=f.length;while(g--)c[e=f[g]]&&(c[e]=!(d[e]=c[e]))})})}function ob(a){return a&&typeof a.getElementsByTagName!==C&&a}c=fb.support={},f=fb.isXML=function(a){var b=a&&(a.ownerDocument||a).documentElement;return b"HTML"!==b.nodeName:!1},m=fb.setDocument=function(a){var b,e=a"unload",function(){m()},!1):g.attachEvent&&g.attachEvent("onunload",function(){m()})),c.attributes=ib(function(a){return a.className="i",!a.getAttribute("className")}),c.getElementsByTagName=ib(function(a){return a.appendChild(e.createComment("")),!a.getElementsByTagName("*").length}),c.getElementsByClassName=$.test(e.getElementsByClassName)&&ib(function(a){return a.innerHTML="<div class='a'></div><div class='a i'></div>",a.firstChild.className="i",2===a.getElementsByClassName("i").length}),c.getById=ib(function(a){return o.appendChild(a).id=u,!e.getElementsByName||!e.getElementsByName(u).length}),c.getById"id")===b}}):(delete d.find.ID,d.filter.ID=function(a){var b=a.replace(cb,db);return function(a){var c=typeof a.getAttributeNode!==C&&a.getAttributeNode("id");return c&&c.value===b}}),d.find.TAG=c.getElementsByTagName"*"===a){while(c=f[e++])1===c.nodeType&&d.push(c);return d}return f},d.find.CLASS=c.getElementsByClassName&&function(a,b){return typeof b.getElementsByClassName!==C&&p"<select msallowclip=''><option selected=''></option></select>",a.querySelectorAll("[msallowclip^='']").length&&q.push("[*^$]="+M+"*("\")"),a.querySelectorAll("[selected]").length||q.push("\\["+M+"*("+L+")"),a.querySelectorAll(":checked").length||q.push(":checked")}),ib(function(a){var b=e.createElement("input");b.setAttribute("type","hidden"),a.appendChild(b).setAttribute("name","D"),a.querySelectorAll("[name=d]").length&&q.push("name"+M+"*[*^$|!~]"),a.querySelectorAll(":enabled").length||q.push(":enabled",":disabled"),a.querySelectorAll("*,:x"),q.push(",.*:")})),(c.matchesSelector=$.test(s=o.matches||o.webkitMatchesSelector||o.mozMatchesSelector||o.oMatchesSelector||o.msMatchesSelector))&&ib(function(a){c.disconnectedMatch=s.call(a,"div"),s.call(a,"[s!='']:x"),r.push("!=",Q)}),q=q.length&&new RegExp(q.join("|")),r=r.length&&new RegExp(r.join("|")),b=$.test(o.compareDocumentPosition),t=b||$.test(o.contains)"='$1']"),!(!c.matchesSelector||!p||r&&r.test(b)||q&&q.test(b)))try{var d=s.call(a,b);if(d||c.disconnectedMatch||a.document&&11!==a.document.nodeType)return d}catch(e){}return fb(b,n,null,[a]).length>0},fb.contains=function(a,b){return(a.ownerDocument||a)!==n&&m(a),t(a,b)},fb.attr=function(a,b){(a.ownerDocument||a)!==n&&m(a);var e=d.attrHandle[b.toLowerCase()],f=e&&E.call(d.attrHandle,b.toLowerCase())"Syntax error, unrecognized expression: "+a)},fb.uniqueSort=function(a){var b,d=[],e=0,f=0;if(l=!c.detectDuplicates,k=!c.sortStable&&a.slice(0),a.sort(B),l){while(b=a[f++])b===a[f]&&(e=d.push(f));while(e--)a.splice(d[e],1)}return k=null,a},e=fb.getText=function(a){var b,c="",d=0,f=a.nodeType;if(f){if(1===f||9===f||11===f){if("string"==typeof a.textContent)return a.textContent;for(a=a.firstChild;a;a=a.nextSibling)c+=e(a)}else if(3===f||4===f)return a.nodeValue}else while(b=a[d++])c+=e(b);return c},d=fb.selectors={cacheLength:50,createPseudo:hb,match:X,attrHandle:{},find:{},relative:{">":{dir:"parentNode",first:!0}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:!0},"~":{dir:"previousSibling"}},preFilter:{ATTR:function(a){return a[1]=a[1].replace(cb,db),a[3]=(a[3]||a[4]||a[5]||"").replace(cb,db),"~="===a[2]&&(a[3]=" "+a[3]+" "),a.slice(0,4)},CHILD:function(a){return a[1]=a[1].toLowerCase(),"nth"===a[1].slice(0,3)"even"===a[3]||"odd"===a[3])),a[5]=+(a[7]+a[8]||"odd"===a[3])):a[3]&&fb.error(a[0]),a},PSEUDO:function(a){var b,c=!a[6]&&a[2];return X.CHILD.test(a[0])"":c&&V.test(c)&&(b=g(c,!0))&&(b=c.indexOf(")",c.length-b)-c.length)&&(a[0]=a[0].slice(0,b),a[2]=c.slice(0,b)),a.slice(0,3))}},filter: