This time I will show you how to use code to intuitively express the mvvm principle, and how to use code to express the mvvm principle. What are the precautions?The following is a practical case, let's take a look.
<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<title>Document</title></head><body>
<div itcast-controller="myController">
<input type="text" itcast-value="title">
<h1 itcast-cont="title"></h1>
</div>
<script>
var model = { title:'我是标题', setTitle:function(title){ this.title = title;
flush();
}
}; function flush(){ //选择出来范围
var itcastScope = document.querySelector('[itcast-controller]');
//选择所有绑定了的元素
var itcastValueArr = document.querySelectorAll('[itcast-value]'); var itcastContArr = document.querySelectorAll('[itcast-cont]'); for(var i=0;i<itcastValueArr.length;i++){
itcastValueArr[i].value = model[itcastValueArr[i].getAttribute("itcast-value")];
itcastValueArr[i].oninput = function(){
model.setTitle(this.value);
};
} for(var i=0;i<itcastValueArr.length;i++){
itcastContArr[i].innerHTML = model[itcastContArr[i].getAttribute("itcast-cont")];
}
}
flush(); </script></body></html>I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to the php Chinese website Other related articles!
Recommended reading:
The execution principle of Node.js code
The concept of using angular independent scope
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