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js实现防止被iframe的方法

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js,防止,iframe

本文实例讲述了js实现防止被iframe的方法。分享给大家供大家参考。具体如下:

方法一:

<script>// Break out of an iframe, if someone shoves your site// into one of those silly top-bar URL shortener things.//// Passing `this` and re-aliasing as `window` ensures// that the window object hasn't been overwritten.//// Example://  var window = 'haha, punked!';//// Note: Probably unnecessary, but just for kicks.(function(window) { if (window.location !== window.top.location) {  window.top.location = window.location; }})(this);</script>

方法二:

<script>// A more cryptic one-liner, to awe & impress.//// No need to protect `window` since `this` is// immutable, and at the topmost level means// `window` anyways. Here, we compare locations// on the left side of the "&&" and execute the// code in parenthesis if that condition is// true (top location isn't iframe location).//// Otherwise, nothing happens. It's basically an// if statement without wrapping curly brackets.//// Weird, I know. But pretty cool, right? :)this.top.location !== this.location && (this.top.location = this.location);</script>

希望本文所述对大家的javascript程序设计有所帮助。


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