回答編集履歴
4
調整版
test
CHANGED
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@@ -193,3 +193,225 @@
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```
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# 調整版
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以下ベタに貼ります
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挙動確認下さい
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```HTML
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<html>
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<head>
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<style>
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#menu-wrap {
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position: fixed;
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}
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#menu{
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text-align: left;
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display: flex;
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margin: 0px;
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padding-left: 20px;
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}
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#menu li {
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display:inline;
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}
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#menu li:last-child a{
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border-right:1px solid #000000;
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}
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#menu a:hover{
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background-Color:yellow;
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}
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#menu a{
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width: 80px;
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border:1px solid #000000;
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border-right:0px;
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padding-left: 5px;
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padding-right: 5px;
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display: inline-block;
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text-decoration:none;
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}
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.contents {
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height: 500px;
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}
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.active {
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background-color: red;
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}
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</style>
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
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<script>
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$(function() {
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var list=[];
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['#content_first',
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'#content_second',
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'#content_third',
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'#content_fourth',
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'#content_etc'
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].map(function(x){
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list.push({
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"min": $(x).offset().top,
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"max": $(x).next().length>0?$(x).next().offset().top-1:($(x).offset().top+$(x).height()),
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"id": x,
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})});
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var pre_pos = 0;
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$(function() {
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$('#menu a[href="' + location.hash + '"]').addClass('active');
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$('#menu a').on('click', function() {
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$('#menu a').removeClass('active');
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$(this).addClass('active');
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});
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});
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$(document).on('scroll', function() {
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var this_pos = $(window).scrollTop();
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var pre_id = get_id(pre_pos);
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var this_id = get_id(this_pos);
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if (pre_id !== this_id) {
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if(this_id!==null){
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location.hash=this_id.substr(1,this_id.length);
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$(window).scrollTop(this_pos);
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}else{
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location.hash="";
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};
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$('#menu a').removeClass("active");
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$('[href="' + this_id + '"]').addClass("active");
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}
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pre_pos = this_pos;
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});
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function get_id(pos) {
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var arr = list.filter(function(x) {
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return x.min <= pos && x.max >= pos;
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});
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if (typeof arr[0] == "undefined") return null;
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return arr[0].id;
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}
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});
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</script>
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</head>
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<body>
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<nav id="menu-wrap">
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<ul id="menu">
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<li><a href="#content_first">Contents1</a></li>
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<li><a href="#content_second">Contents2</a></li>
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<li><a href="#content_third">Contents3</a></li>
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<li><a href="#content_fourth">Contents4</a></li>
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<li><a href="#content_etc">Contents5</a></li>
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</ul>
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</nav>
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<div class="contents" id="content_first">1</div>
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<div class="contents" id="content_second">2</div>
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<div class="contents" id="content_third">3</div>
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<div class="contents" id="content_fourth">4</div>
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<div class="contents" id="content_etc">5</div>
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</body>
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</html>
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```
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3
修正
test
CHANGED
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@@ -60,23 +60,35 @@
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var pre_pos=0;
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$(do
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var this_pos = $(window).scrollTop();
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var t
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var pre_id = get_id(pre_pos);
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var
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var this_id = get_id(this_pos);
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if (pre_id !== this_id) {
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/* 以下hashを変更するよう修正*/
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if(
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if(this_id!==null){
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location.hash=this_id.substr(1,this_id.length);
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$(window).scrollTop(this_pos);
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}else{
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location.hash="";
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};
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$('#menu a').removeClass("active");
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$('[href="'+this_id+'"]').addClass("active");
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$('[href="' + this_id + '"]').addClass("active");
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}
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pre_pos=this_pos;
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pre_pos = this_pos;
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});
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2
追記
test
CHANGED
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load時のチェックを１度だけして、あとはクリックしたところがactiveになればいいのでは？
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```CSS
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#menu-wrap{position:fixed;}
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.contents{height:500px;}
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.active{background-color:red;}
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```
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```javascript
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});
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```
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# スクロールチェック
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この際なのでスクロールをチェックしてみますか？
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```javascript
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$(function(){
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var pre_pos=0;
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$(document).on('scroll',function(){
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var this_pos=$(window).scrollTop();
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var pre_id=get_id(pre_pos);
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var this_id=get_id(this_pos);
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if(pre_id!==this_id){
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$('#menu a').removeClass("active");
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$('[href="'+this_id+'"]').addClass("active");
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}
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pre_pos=this_pos;
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});
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function get_id(pos){
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var list=[
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{
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"min":$('#content_first').offset().top,
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"max":$('#content_first').next().offset().top-1,
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"id":'#content_first',
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},
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{
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"min":$('#content_second').offset().top,
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"max":$('#content_second').next().offset().top-1,
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"id":'#content_second',
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},
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{
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"min":$('#content_third').offset().top,
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"max":$('#content_third').next().offset().top-1,
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"id":'#content_third',
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},
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{
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"min":$('#content_fourth').offset().top,
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"max":$('#content_fourth').next().offset().top-1,
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"id":'#content_fourth',
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},
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{
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"min":$('#content_etc').offset().top,
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"max":$('#content_etc').offset().top+9999,
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"id":'#content_etc',
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},
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];
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var arr=list.filter(function(x){return x.min<=pos && x.max>=pos;});
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if(typeof arr[0]=="undefined") return null;
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return arr[0].id;
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}
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});
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148
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149
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```
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150
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151
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```HTML
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152
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153
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<nav id="menu-wrap">
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154
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155
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<ul id="menu">
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156
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157
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<li><a href="#content_first">Contents1</a></li>
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158
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159
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<li><a href="#content_second">Contents2</a></li>
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160
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161
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<li><a href="#content_third">Contents3</a></li>
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163
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<li><a href="#content_fourth">Contents4</a></li>
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164
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165
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<li><a href="#content_etc">Contents5</a></li>
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166
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167
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</ul>
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168
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169
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+
</nav>
|
|
170
|
+
|
|
171
|
+
<div class="contents" id="content_first">1</div>
|
|
172
|
+
|
|
173
|
+
<div class="contents" id="content_second">2</div>
|
|
174
|
+
|
|
175
|
+
<div class="contents" id="content_third">3</div>
|
|
176
|
+
|
|
177
|
+
<div class="contents" id="content_fourth">4</div>
|
|
178
|
+
|
|
179
|
+
<div class="contents" id="content_etc">5</div>
|
|
180
|
+
|
|
181
|
+
|
|
182
|
+
|
|
183
|
+
```
|
1
追記
test
CHANGED
|
@@ -13,3 +13,27 @@
|
|
|
13
13
|
load時だけでよいのですか？
|
|
14
14
|
|
|
15
15
|
クリック時に変えるのであればわざわざhrefをしらべる必要もないので・・・
|
|
16
|
+
|
|
17
|
+
# 追記
|
|
18
|
+
|
|
19
|
+
load時のチェックを１度だけして、あとはクリックしたところがactiveになればいいのでは？
|
|
20
|
+
|
|
21
|
+
|
|
22
|
+
|
|
23
|
+
```javascript
|
|
24
|
+
|
|
25
|
+
$(function(){
|
|
26
|
+
|
|
27
|
+
$('#menu a[href="'+location.hash+'"]').addClass('active');
|
|
28
|
+
|
|
29
|
+
$('#menu a').on('click',function(){
|
|
30
|
+
|
|
31
|
+
$('#menu a').removeClass('active');
|
|
32
|
+
|
|
33
|
+
$(this).addClass('active');
|
|
34
|
+
|
|
35
|
+
});
|
|
36
|
+
|
|
37
|
+
});
|
|
38
|
+
|
|
39
|
+
```
|