Javascript, uh, uh realizes the function of leaving messages.
This article mainly introduces javascript uh to achieve message function related knowledge, content detailed and easy to understand, simple and fast operation, has a certain reference value, I believe everyone read this javascript uh to achieve message function article will have some gains, let's take a look at it.
javascript implementation of the message method: 1, create an HTML sample file and enter the input tag;2, enter the script tag;3, through the js code "oPostBtn.onclick = function(){...} "Leave a message.
Operating environment of this article: Windows 7 system, javascript version 1.8.5, Dell G3 computer.
How does javascript work?
JS native writing to achieve message board function
To achieve this message board function is relatively simple, so first on the renderings:
Realize the user message content, message specific time.
_window.onload = function(){ var oMessageBox = document.getElementById("messageBox"); var oInput = document.getElementById("myInput"); var oPostBtn = document.getElementById("doPost"); oPostBtn.onclick = function(){ if(oInput.value){ //Write the time of posting the message var oTime = document.createElement("p"); oTime.className = "time"; var myDate = new Date(); oTime[xss_clean] = myDate.toLocaleString(); oMessageBox.appendChild(oTime); //Write message content var oMessageContent = document.createElement("p"); oMessageContent.className = "message_content"; oMessageContent[xss_clean] = oInput.value; oInput.value = ""; oMessageBox.appendChild(oMessageContent); } } }
Capture content by getting input focus events and pass it to the p of the message board to display.
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