This time I will show you how to resolve the conflict between double-click and single-click events. What are the precautions for resolving the conflict between double-click and single-click events? The following is a practical case, let's take a look.
In the same function block in the JS code, click and double-click events are usually used at the same time, but we usually encounter a problem, that is, a double-click event is executed when double-clicking, and it is also executed Double click event. Such conflicts are often encountered in ZTree and DHTMLX. To resolve the conflict between the two events, the click event needs to be delayed. If a click event is detected during this delay, then the two clicks are considered to be a double-click event, then only Execute the double-click event and clear the delaytimer immediately to prevent the second click from taking effect.
The specific code is as follows:
var clickFlag = null;//是否点击标识（定时器编号）
function doOnClick(...) {
if(clickFlag) {//取消上次延时未执行的方法
clickFlag = clearTimeout(clickFlag);
}
clickFlag = setTimeout(function() {
// click 事件的处理
}, 300);//延时300毫秒执行
}
function doOnDblClick(...) {
if(clickFlag) {//取消上次延时未执行的方法
clickFlag = clearTimeout(clickFlag);
}
// dblclick 事件的处理
}Using CSS Modules elegant mode
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