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September 21, 2015 03:20
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LocalStorage Save Map Example
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| <html> | |
| <head> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <div> | |
| <input type="text" id="in"></input> | |
| <button id="add" value="add" >add</button> | |
| <button id="clear" value="clear" >clear</button> | |
| <button id="load" value="load" >load</button> | |
| <button id="save" value="save" >save</button><span id="buffer"></span> | |
| </div> | |
| <div id="list"> | |
| </div> | |
| <script> | |
| $(function($){ | |
| var add = function() { | |
| var x=$("#in").val() | |
| if (zmap[x]) | |
| { | |
| zmap[x]=zmap[x]+1; | |
| } | |
| else | |
| { | |
| zmap[x]=1; | |
| } | |
| $("#buffer").html("*") | |
| show() | |
| } | |
| var del = function() { | |
| } | |
| var show= function() { | |
| var s="<ul>" | |
| Object.keys(zmap).forEach( function(d) { | |
| s+="<li>"+d+" "+zmap[d]+"<button id='DEL_"+d+"' class='DEL'>del</button></li>" | |
| }) | |
| s+="</ul>" | |
| $("#list").html(s); | |
| $(".DEL").on("click",function(d) { | |
| console.log($(this).attr("id").replace("DEL_","")) | |
| var id=$(this).attr("id").replace("DEL_","") | |
| zmap[id]=zmap[id]-1; | |
| if(zmap[id]==0) {delete zmap[id]} | |
| $("#buffer").html("*") | |
| show(); | |
| }) | |
| } | |
| var clear=function() { | |
| zmap={}; | |
| $("#buffer").html("*") | |
| show(); | |
| } | |
| if(localStorage.zmap==undefined) { localStorage.zmap="{}"} | |
| var zmap; | |
| var load=function() { | |
| zmap=JSON.parse(localStorage.zmap); | |
| show(); | |
| } | |
| load() | |
| $("#add").on("click",function(d) {console.log("add");add()}) | |
| $("#load").on("click",function(d) {load();$("#buffer").html("loaded")}) | |
| $("#clear").on("click",function(d) {clear()}) | |
| $("#save").on("click",function(d) {localStorage.zmap=JSON.stringify(zmap);$("#buffer").html("saved")}) | |
| }(jQuery)) | |
| </script> | |
| </body> |
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