前端开发的一些总结

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整理下笔记，补充以前的一些经验，以免时间长了又会忘记。

dojo 框架

1. onChange 立即触发：intermediateChanges

2. parser的用法：在该dom节点中找到对象实例
   parser.parse(node, {
   noStart: !this._earlyTemplatedStartup,
   template: true,
   inherited: {dir: this.dir, lang: this.lang, textDir: this.textDir},
   propsThis: this, // so data-dojo-props of widgets in the template can reference “this” to refer to me
   contextRequire: this.contextRequire,
   scope: “dojo” // even in multi-version mode templates use dojoType/data-dojo-type
   }).then(lang.hitch(this, function(widgets){
   this._startupWidgets = widgets;

3. setter.apply(this, Array.prototype.slice.call(arguments, 1));

4. throw new Error(“错误内容 It works!”);

5. 要注意的问题
   0||undefined==undefined

6. // Flag to enable support for textdir attribute
   has.add(“dojo-bidi”, false);

7. Selector.superclass.insertNodes.call(this, data, before, anchor);

8. for(var j = 0; j < type.length; ++j){
   if(type[j] in this.accept){
   flag = true;
   break;
   }
   }

ie 兼容性

1. ie 10 崩溃：
   var a = []; a.length = 100; a.splice(17,17);