[英]jQuery changing elements depending on how many times the button has been clicked
[英]How can i get one button to do multiple tasks depending on how many times it has been clicked? (Javascript)
我如何获得一个按钮来执行多项任务,具体取决于单击了多少次? (JavaScript)
例如,按钮被单击-警报“按钮被单击一次”按钮再次被单击-警报“按钮被单击两次”按钮再次被单击-警报“按钮已被单击三次!”
抱歉,如果它是一个新手问题,原因是我是新手!!!
小提琴演示 : http : //jsfiddle.net/h9DbF/
在js中:
var clickTimes = 0;
function doSomethingOnClick() {
clickTimes++;
switch(clickTimes) {
case 1:
alert('Button clicked once');
break;
case 2:
alert('Button clicked twice');
break;
default:
alert('Button clicked ' + clickTimes + ' times');
}
//Do something else
}
在html中:
<button onclick="doSomethingOnClick()">Press me</button>
您可以创建一个将在单击按钮时增加的变量,并且可以切换该变量,以便可以根据单击次数执行操作,例如:
var clicks = 0;
function someFunction(){
clicks++;
switch (clicks){
case 1:
//do something when its clicked only once
break;
}
}
就是这样。
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