[英].click only if div contains 2 specific divs
我有一个on.click
,但我希望它仅在#battle
包含#obiWanPicked
和#darthMaul
。 无论出于何种原因,它似乎都忽略了if语句并运行了click。
我的大多数HTML内容的JavaScript中是动态创建的,这就是为什么我开始使用.on
代替.click
低了下去,当我操纵动态创建的对象。
if ($("#battle").has("#obiWanPicked") && $("#battle").has("#darthMaul")) {
$("#battle").on("click", "#attack", function () {
if(darthMaulStats.healthPoints <= 0){
$("#darthMaul").remove();
alert("You win!");
}
darthMaulStats.healthPoints = darthMaulStats.healthPoints - obiWanStats.attackPower;
obiWanStats.attackPower = obiWanStats.attackPower + 15;
$("#darthMaul").text(darthMaulStats.healthPoints);
obiWanStats.healthPoints = obiWanStats.healthPoints - 5;
$("#obiWanPicked").text(obiWanStats.healthPoints);
console.log(obiWanStats);
$('#yourFighters').remove();
});
}
以上所有代码
<div id="gameModule">
<div class="row">
<div class="col-2"></div>
<div class="col-8">
<div id="allFighters">Pick your Fighter!<br /></br>
<div id="obiWan">
<h2>120</h2>
</div>
<div id="darthMaul">
<h2>150</h2>
</div>
<div id="hanSolo">
<h2>100</h2>
</div>
<div id="maceWindu">
<h2>200</h2>
</div>
</div>
</div>
<div id="col-2"></div>
</div>
<div id="row">
<div id="yourFighters"></br>Your Pick<br></div>
</div>
<div id="row">
<div id="enemyFighters">Your Enemies: Click to fight<br></div>
</div>
<div id="row">
<div id="battle">Time to Battle!</br><br></div>
</div>
<div id="row">
</div>
</div>
</div>
</div>
<div class="row">
<div class="col">
<div class="footer">
<br />
FOOTER
</div>
</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"
integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
<script>
var allFighters = $('#allFighters');
var yourFighters = $('#yourFighters');
var enemyFighters = $('#enemyFighters');
var battle = $('#battle');
var obiWan = $('#obiWan');
var darthMaul = $('#darthMaul');
var darthMaulBattle = $('#darthMaulBattle');
var hanSolo = $('#hanSolo');
var maceWindu = $('#maceWindu');
var attack = $('#attack')
var obiWanStats = {
healthPoints: 120,
attackPower: 15,
counterAttackPower: 14,
};
var darthMaulStats = {
healthPoints: 150,
attackPower: 15,
counterAttackPower: 14,
};
var hanSoloStats = {
healthPoints: 100,
attackPower: 15,
counterAttackPower: 14,
};
var maceWinduStats = {
healthPoints: 200,
attackPower: 15,
counterAttackPower: 14,
};
console.log(maceWinduStats.healthPoints);
obiWan.click(function () {
allFighters.remove();
yourFighters.append("<div id='obiWan'>120</div><h1>");
enemyFighters.append("<div id='darthMaul'>150</div>");
enemyFighters.append("<div id='hanSolo'>100</div>");
enemyFighters.append("<div id='maceWindu'>200</div>");
battle.append("<div id='obiWanPicked'>" + obiWanStats.healthPoints + "</div> <p style='color: red; padding-left: 500px; padding-right: 500px; text-decoration: overline; '>VERSUS");
});
darthMaul.click(function () {
allFighters.remove();
yourFighters.append("<div id='darthMaul'>120</div>");
enemyFighters.append("<div id='obiWan'>150</div>");
enemyFighters.append("<div id='hanSolo'>100</div>");
enemyFighters.append("<div id='maceWindu'>200</div>");
battle.append("<div id='darthMaulPicked'>" + darthMaulStats.healthPoints + "</div> <p style='color: red; padding-left: 500px; padding-right: 500px; text-decoration: overline; '>VERSUS");
});
hanSolo.click(function () {
allFighters.remove();
yourFighters.append("<div id='hanSolo'>120</div>");
enemyFighters.append("<div id='darthMaul'>150</div>");
enemyFighters.append("<div id='obiWan'>100</div>");
enemyFighters.append("<div id='maceWindu'>200</div>");
battle.append("<div id='hanSoloPicked'>" + hanSoloStats.healthPoints + "</div> <p style='color: red; padding-left: 500px; padding-right: 500px; text-decoration: overline; '>VERSUS");
});
maceWindu.click(function () {
allFighters.remove();
yourFighters.append("<div id='maceWindu'>120</div>");
enemyFighters.append("<div id='darthMaul'>150</div>");
enemyFighters.append("<div id='hanSolo'>100</div>");
enemyFighters.append("<div id='obiWan'>200</div>");
battle.append("<div id='maceWinduPicked'>" + maceWindu.healthPoints + "</div> <p style='color: red; padding-left: 500px; padding-right: 500px; text-decoration: overline;'>VERSUS");
});
$("#enemyFighters").on("click", "#darthMaul", function () {
$(this).remove();
console.log("meme");
battle.append("<div id='darthMaul' style='float: none; margin-left: 50%; margin-top: -35px;'>" + darthMaulStats.healthPoints + "</div><div id='attack'>Attack!</div>");
});
$("#enemyFighters").on("click", "#hanSolo", function () {
$(this).remove();
console.log("meme");
battle.append("<div id='hanSolo' style='float: none; margin-left: 50%; margin-top: -35px;'>" + hanSoloStats.healthPoints + "</div><div id='attack'>Attack!</div>");
});
$("#enemyFighters").on("click", "#maceWindu", function () {
$(this).remove();
console.log("meme");
battle.append("<div id='maceWindu' style='float: none; margin-left: 50%; margin-top: -35px;'>" + maceWinduStats.healthPoints + "</div><div id='attack'>Attack!</div>");
});
$("#enemyFighters").on("click", "#obiWan", function () {
$(this).remove();
console.log("meme");
battle.append("<div id='obiWan' style='float: none; margin-left: 800px; margin-top: -35px;'>" + obiWanStats.healthPoints + "</div><div id='attack'>Attack!</div>");
});
不确定这里...我有点回复。 但我从中了解您的问题:
我希望它仅在#battle包含#obiWanPicked和#darthMaul时运行
现在, click
处理程序在页面加载时注册了(我想) ,那里有两个要检查是否存在的id。
在 click
处理程序中移动该条件!
$("#battle").on("click", "#attack", function () {
if ($("#battle").has("#obiWanPicked").length && $("#battle").has("#darthMaul").length) {
if(darthMaulStats.healthPoints <= 0){
//...
因此,将在每次click
时检查条件,而不是仅在处理程序注册后才进行检查。
;)
showdev提到了一个很好的观点...在has()
之后添加.length
,因此条件将根据长度而不是对象进行求值。
长度为零将false
。 任何其他长度的计算结果均为true
。
也许您正在尝试做这样的事情。 使用查找和测试长度应该可以。
/* Maybe you are trying to do something like this. Using find and testing the length should work. */ $("#battle").on("click", "#attack", function () { if ($("#battle").find("#obiWanPicked").length > 0 && $("#battle").find("#darthMaul").length > 0){ console.log("You win!"); } else { console.log("You Lose!"); } }); /* Just for testing */ $("body").on("click", "#toggleObiwan", function(){ if($("#battle").find("#obiWanPicked").length > 0){ $("#obiWanPicked").remove(); } else { $("#battle").append("<div id='obiWanPicked'>O</div>"); } }); $("body").on("click", "#toggleDarthMaul", function(){ if($("#battle").find("#darthMaul").length > 0){ $("#darthMaul").remove(); } else { $("#battle").append("<div id='darthMaul'>D</div>"); } });
#battle { width: 200px; height: 100px; background: green; } #obiWanPicked { width: 20px; height: 20px; background: skyblue; line-height: 20px; margin: 5px; } #darthMaul { width: 20px; height: 20px; background: red; line-height: 20px; margin: 5px; } button { width: 100px; font-size: 11px; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script> <button id="toggleObiwan">TOGGLE OBIWAN</button> <button id="toggleDarthMaul">TOGGLE DARTH MAUL</button> <div id="battle"> <button id="attack">ATTACK</button> <div id="obiWanPicked">O</div> <div id="darthMaul">D</div> </div>
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