25 lines
825 B
JavaScript
25 lines
825 B
JavaScript
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// 通过postMessage调用content-script
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function invokeContentScript(code)
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{
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window.postMessage({cmd: 'invoke', code: code}, '*');
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}
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// 发送普通消息到content-script
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function sendMessageToContentScriptByPostMessage(data)
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{
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window.postMessage({cmd: 'message', data: data}, '*');
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}
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// 通过DOM事件发送消息给content-script
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(function() {
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var customEvent = document.createEvent('Event');
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customEvent.initEvent('myCustomEvent', true, true);
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// 通过事件发送消息给content-script
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function sendMessageToContentScriptByEvent(data) {
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data = data || '你好，我是injected-script!';
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var hiddenDiv = document.getElementById('myCustomEventDiv');
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hiddenDiv.innerText = data
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hiddenDiv.dispatchEvent(customEvent);
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}
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window.sendMessageToContentScriptByEvent = sendMessageToContentScriptByEvent;
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})();
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