本文實(shí)例為大家分享了JavaScript實(shí)現(xiàn)加法計(jì)算器的具體代碼,供大家參考,具體內(nèi)容如下
具體要求:
1.頁(yè)面布局:
2.還需要在點(diǎn)擊計(jì)算按鈕之后在頁(yè)面上顯示計(jì)算結(jié)果
具體實(shí)現(xiàn):
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< html > < head > < meta charset = "utf-8" > < title >計(jì)算器</ title > < script > function myck(type){ var num1 = document.getElementById("num1"); var num2 = document.getElementById("num2"); if(type==1){ // 計(jì)算操作 var result = parseInt(num1.value) + parseInt(num2.value); alert(result); document.getElementById("resultDiv").innerText ="最終計(jì)算結(jié)果:"+ result; }else if(type==2){ if(confirm("是否正確清空?")){ // 清空 num1.value = ""; num2.value = ""; document.getElementById("resultDiv").innerText=""; } } } </ script > </ head > < body > < div style = "margin-top: 100px;margin-left: 500px;" > < span style = "font-size: 60px;" >加法計(jì)算器</ span > </ div > < div > < div class = "innerDiv" style = "margin-left: 550px;" > 數(shù)字1:< input id = "num1" type = "number" placeholder = "請(qǐng)輸入數(shù)字1" > </ div > </ div > < div > < div class = "innerDiv" style = "margin-left: 550px;" > 數(shù)字2:< input id = "num2" type = "number" placeholder = "請(qǐng)輸入數(shù)字2" > </ div > </ div > < div > < div style = "margin-left: 600px;" class = "innerDiv" > < input type = "button" onclick = "myck(1)" value = "計(jì) 算" > < input type = "button" onclick = "myck(2)" value = "清 空" > </ div > </ div > < div id = "resultDiv" > </ div > </ body > < style > .innerDiv{ margin-left: 420px; margin-top: 20px; } </ style > </ html > |
以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持服務(wù)器之家。
原文鏈接:https://blog.csdn.net/m0_48355416/article/details/115277569