对象上的javascript递归永不结束
我的递归函数无法正确循环,在底部是我的代码,我遇到了问题,之前的内容只是为了表明我在这方面做了很多工作:)还有一个链接到一个工作示例。我以前使用过大量嵌套for循环,如下所示:对象上的javascript递归永不结束,javascript,jquery,recursion,Javascript,Jquery,Recursion,我的递归函数无法正确循环,在底部是我的代码,我遇到了问题,之前的内容只是为了表明我在这方面做了很多工作:)还有一个链接到一个工作示例。我以前使用过大量嵌套for循环,如下所示: function assembleTimeline(targetItem, sequence) { var TIMELINE = ""; var greenAniArray = {options:{}}; for (S = 0; S < sequence.length; S++) {
function assembleTimeline(targetItem, sequence) {
var TIMELINE = "";
var greenAniArray = {options:{}};
for (S = 0; S < sequence.length; S++) {
greenAniArray = [];
for (L = 0; L < sequence.length; L++) {
alength = greenAniArray.length;
for (var setting in sequence[S][L]) {
greenAniArray.push({});
if (setting == "duration") {
greenAniArray[alength]["duration"] = sequence[S][L][setting];
delete sequence[S][L]["duration"];
}else{
greenAniArray[alength].push({});
for (var option in sequence[S][L][setting]) {
greenAniArray[alength]["options"][option] = sequence[S][L][setting][option];
}
}
if (greenAniArray[alength]["options"]) {
delete greenAniArray[alength]["options"]["duration"];
}
$(".jsonresults").html(prettyPrint(greenAniArray));
}
}
animationSequence = greenAniArray[alength]["options"];
animationDuration = greenAniArray[alength]["duration"];
// Make commands look like this:
// to($box, 1, {x:50,y:0})
assembledTimeline += '.to("' + targetItem + '", ' + animationDuration + ', ' + JSON.stringify(animationSequence) + ')';
}
TIMELINE= "tl" + assembledTimeline;
};
在示例中,序列不需要递归。如果有包含序列的序列,则需要递归
$(function() {
var target = "target"
var aniMation = "tl";
var sequence = [{
"duration": ".2",
"transform": "translate3d(0,0,0)"
}, {
"duration": ".2",
"transform": "translate3d(0, -30px, 0)"
}, {
"transform": "translate3d(0, -15px, 0)",
"duration": ".2"
}, {
"transform": "translate3d(0,-4px,0)",
"duration": ".2"
}];
function parseAnimation(target, sequence)
{
for (var property in sequence)
{
var s = sequence[property];
var aniSequence = { "transform": s["transform"], "duration": s["duration"] };
aniMation += '.to("' + target + '", ' + s.duration + ', ' + JSON.stringify(aniSequence) + ')<br>';
$("#output").html(aniMation);
}
}
parseAnimation(target, sequence);
});
$(函数(){
var target=“target”
var aniMation=“tl”;
变量序列=[{
“持续时间”:“.2”,
“转换”:“translate3d(0,0,0)”
}, {
“持续时间”:“.2”,
“转换”:“translate3d(0,-30px,0)”
}, {
“转换”:“translate3d(0,-15px,0)”,
“持续时间”:“.2”
}, {
“转换”:“translate3d(0,-4px,0)”,
“持续时间”:“.2”
}];
函数解析动画(目标、序列)
{
for(顺序中的var属性)
{
var s=序列[属性];
var aniSequence={“transform”:s[“transform”],“duration”:s[“duration”]};
动画+='.to(“+target+”、“+s.duration+”、“+JSON.stringify(aniSequence)+”)
”;
$(“#输出”).html(动画);
}
}
解析动画(目标、序列);
});
如果无法捕获错误并分析反馈给函数的参数,递归函数通常会中断或导致堆栈溢出。是否需要将设置数组传递给parseAnimation
,在原始序列
数组中没有保留任何设置对象之前,将按顺序调用哪个作为parseAnimation
的参数?尝试利用?@dave虽然持续时间重复并且在每个示例中都是相同的,但随着动画的加速/减速,它可能很容易有一个唯一的值。@dave我很抱歉,这是复制周围事物时的一个输入错误,它不应该有第二个,我已编辑它以删除它。谢谢Phill,序列可以具有Greensock中的任何css属性或转换属性,例如:{left:random(300160),top:random(300100),y:random(100,0),scale:Math.random(),backgroundColor:“#ffcc00”,opacity:Math.random()}
,否则就很好了。
$(function() {
var target = "target"
var aniMation = "tl";
var sequence = [{
"duration": ".2",
"transform": "translate3d(0,0,0)"
}, {
"duration": ".2",
"transform": "translate3d(0, -30px, 0)"
}, {
"transform": "translate3d(0, -15px, 0)",
"duration": ".2"
}, {
"transform": "translate3d(0,-4px,0)",
"duration": ".2"
}];
function parseAnimation(target, sequence)
{
for (var property in sequence)
{
var s = sequence[property];
var aniSequence = { "transform": s["transform"], "duration": s["duration"] };
aniMation += '.to("' + target + '", ' + s.duration + ', ' + JSON.stringify(aniSequence) + ')<br>';
$("#output").html(aniMation);
}
}
parseAnimation(target, sequence);
});