Начало
Калькуляторы
5 Функций
Вот действительно простой калькулятор JavaScript - только с 5 функциями-умножение, деление, сложение, вычитание, возведение в степень
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JavaScript 5 функций умножение, деление, сложение, вычитание, возведение в степень
<!-- TWO STEPS TO INSTALL 5 FUNCTION CALCULATOR: 1. Paste the coding into the HEAD of your HTML document 2. Add the last code into the BODY of your HTML document --> <!-- STEP ONE: Copy this code into the HEAD of your HTML document --> <HEAD> <SCRIPT LANGUAGE="JavaScript"> <!-- --> <!-- --> <! > <! > <!-- Begin function a_plus_b(form) { a=eval(form.a.value) b=eval(form.b.value) c=a+b form.ans.value = c } function a_minus_b(form) { a=eval(form.a.value) b=eval(form.b.value) c=a-b form.ans.value=c } function a_times_b(form) { a=eval(form.a.value) b=eval(form.b.value) c=a*b form.ans.value=c } function a_div_b(form) { a=eval(form.a.value) b=eval(form.b.value) c=a/b form.ans.value = c } function a_pow_b(form) { a=eval(form.a.value) b=eval(form.b.value) c=Math.pow(a, b) form.ans.value = c } // End --> </SCRIPT> <!-- STEP TWO: Put this code into the BODY of your HTML document --> <BODY> <CENTER> <FORM name="formx"><input type=text size=4 value=12 name="a"> <input type="button" value=" + " onClick="a_plus_b(this.form)"> <input type="button" value=" - " onClick="a_minus_b(this.form)"> <input type="button" value=" x " onClick="a_times_b(this.form)"> <input type="button" value=" / " onClick="a_div_b(this.form)"> <input type="button" value=" ^ " onClick="a_pow_b(this.form)"> <input type="number" size=4 value=3 name="b"> = <input type "number" value=0 name="ans" size=9> </FORM> </CENTER> <!-- Script Size: 1.72 KB -->