javascript 确定在 mousedown 事件期间是否按下了 Shift 键
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Determine if Shift key is pressed during mousedown event
提问by Cristian G
Is it possible to determine whether the Shift key is pressed during a mousedown d3.event? if possible could show me a way to do this, try looking in the API, but could not find something useful
是否可以确定在 mousedown d3.event 期间是否按下了 Shift 键？如果可能的话可以告诉我这样做的方法，请尝试查看 API，但找不到有用的东西
回答by A.M.K
You should be able to use something like this:
你应该能够使用这样的东西：
d3.select(window).on("click", function() {
if (d3.event.shiftKey) {
alert("Mouse+Shift pressed");
}
});
回答by ReHa
Maybe it is necessary to use:
也许有必要使用：
if (d3.event.sourceEvent.shiftKey) {
console.log("shift pressed");
}
