topical media & game development
lib-js-math-calculator-body.htm / htm
<!-- ONE STEP TO INSTALL BODY CALCULATOR:
1. Paste the coding into the BODY of your HTML document -->
<!-- STEP ONE: Copy this code into the BODY of your HTML document -->
<BODY>
<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Tomer and Yehuda Shiran
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Begin
function getHeight(sex, age, height) {
height = Math.round(height)
var height5 = 0
var height50 = 0
if (age == 2) {
height50 = 87
height5 = 82
} else
if (age == 3) {
height50 = 95
height5 = 90
} else
if (age == 4) {
height50 = 102
height5 = 95
} else
if (age == 5) {
height50 = 109
height5 = 101
} else
if (age == 6) {
height50 = 114
height5 = 107
} else
if (age == 7) {
height50 = 120
height5 = 112
} else
if (age == 8) {
height50 = 126
height5 = 118
} else
if (age == 9) {
height50 = 131
height5 = 121
} else
if (age == 10) {
height50 = 137
height5 = 127
} else
if (age == 11) {
height50 = 143
height5 = 131
} else
if (sex == "f") {
if (age == 12) {
height50 = 150
height5 = 140
} else
if (age == 13) {
height50 = 157
height5 = 145
} else
if (age == 14) {
height50 = 160
height5 = 148
} else
if (age == 15) {
height50 = 162
height5 = 150
} else
if (age == 16) {
height50 = 162
height5 = 151
} else
if (age == 17) {
height50 = 163
height5 = 153
} else
if (age == 18) {
height50 = 164
height5 = 154
}
} else
if (age == 12) {
height50 = 150
height5 = 137
} else
if (age == 13) {
height50 = 156
height5 = 142
} else
if (age == 14) {
height50 = 162
height5 = 148
} else
if (age == 15) {
height50 = 168
height5 = 155
} else
if (age == 16) {
height50 = 174
height5 = 160
} else
if (age == 17) {
height50 = 175
height5 = 165
} else
if (age == 18) {
height50 = 176
height5 = 165
}
var percent = (height - height5) * (50 - 5) / (height50 - height5) + 5
return percent
}
function getWeight(sex, age, weight) {
weight = Math.round(weight)
var weight5 = 0
var weight50 = 0
if (age == 2) {
weight50 = 12
weight5 = 10
} else
if (age == 3) {
weight50 =14
weight5 = 12
} else
if (age == 4) {
weight50 = 16
weight5 = 14
} else
if (age == 5) {
weight50 = 18
weight5 = 15
} else
if (age == 6) {
weight50 = 20
weight5 = 17
} else
if (age == 7) {
weight50 = 22
weight5 = 18
} else
if (age == 8) {
weight50 = 25
weight5 = 20
} else
if (age == 9) {
weight50 = 29
weight5 = 22
} else
if (sex == "f") {
if (age == 10) {
weight50 = 32
weight5 = 25
} else
if (age == 11) {
weight50 = 37
weight5 = 27
} else
if (age == 12) {
weight50 = 41
weight5 = 30
} else
if (age == 13) {
weight50 = 46
weight5 = 34
} else
if (age == 14) {
weight50 = 50
weight5 = 38
} else
if (age == 15) {
weight50 = 53
weight5 = 40
} else
if (age == 16) {
weight50 = 56
weight5 = 43
} else
if (age == 17) {
weight50 = 57
weight5 = 45
} else
if (age == 18) {
weight50 = 57
weight5 = 46
}
} else
if (age == 10) {
weight50 = 24
weight5 = 31
} else
if (age == 11) {
weight50 = 35
weight5 = 27
} else
if (age == 12) {
weight50 = 40
weight5 = 30
} else
if (age == 13) {
weight50 = 46
weight5 = 35
} else
if (age == 14) {
weight50 = 51
weight5 = 38
} else
if (age == 15) {
weight50 = 57
weight5 = 44
} else
if (age == 16) {
weight50 = 62
weight5 = 48
} else
if (age == 17) {
weight50 = 67
weight5 = 53
} else
if (age == 18) {
weight50 = 69
weight5 = 55
}
var percent = (weight - weight5) * (50 - 5) / (weight50 - weight5) + 5
return percent
}
function printResult(height, weight, sex, age) {
var heightAdj = ""
var weightAdj = ""
var ageAdj = ""
var sexAdj = ""
var gradeAdj = ""
var grade = 0
var propWeight = weight / height
if (height > 70) {
heightAdj = "tall"
grade += 2
} else
if (height < 30) {
heightAdj = "short"
grade += 1
} else {
heightAdj = "medium-height"
grade += 3
}
if (propWeight > 2) {
weightAdj = "over-weight"
grade += 1
} else
if (propWeight < 0.5) {
weightAdj = "slim"
grade += 2
} else {
weightAdj = "medium-weight"
grade += 3
}
ageAdj = ageInput + "-year old"
if (grade >= 5)
gradeAdj = "great-looking"
else
if (grade <= 2)
gradeAdj = "ackward-looking"
else
gradeAdj = "fine-looking"
sexAdj = (sex == "f") ? "female" : "male"
var finalMessage = "You are a " + heightAdj + ", "
finalMessage += weightAdj + ", " + gradeAdj + " "
finalMessage += ageAdj + " " + sexAdj + "."
alert(finalMessage)
if (confirm("Are you interested in scientific results?")) {
scMessage = "height = " + Math.round(height)
scMessage +="%\rweight = " + Math.round(weight)
scMessage += "%\rweight/height = " + propWeight
alert(scMessage)
} else
if (grade <= 4)
alert("Good idea!")
var notice = "Thank you for using the JavaScript weight "
notice += "and height calculator. All calculations are "
notice += "done according to the child-development graph "
notice += "in \"Compton's Encyclopedia\". We appologize "
notice += "if you were insulted by the comments -- that "
notice += "was not our intention. We used them to demonstrate "
notice += "various JavaScript scripting techniques."
alert(notice)
}
function convertInput() {
weightInput *= 0.45359
heightInput *= 2.54
}
var sex = prompt("Enter sex ((m)ale or (f)emale):", "")
var ageInput = parseInt(prompt("Enter age in years (minimum = 2):", ""))
ageInput = Math.round(ageInput)
var systemMessage = "Whould you like to use the (m)etric system "
systemMessage += "or the (e)nglish one?"
var system = prompt(systemMessage, "m")
var heightUnit = (system == "m") ? "centimeters" : "inches"
var weightUnit = (system == "m") ? "kilograms" : "pounds"
var heightInput = prompt("Enter height in " + heightUnit + ":", "")
heightInput = parseInt(heightInput)
var weightInput = prompt("Enter weight in " + weightUnit + ":", "")
weightInput = parseInt(weightInput)
if (system == "e")
convertInput()
if (ageInput > 18)
var age = 18
else
if (ageInput < 2)
var age = 2
else
var age = ageInput
var heightPer = getHeight(sex, age, heightInput)
var weightPer = getWeight(sex, age, weightInput)
heightPer = (heightPer < 1) ? 1 : heightPer
heightPer = (heightPer > 99) ? 99 : heightPer
weightPer = (weightPer < 1) ? 1 : weightPer
weightPer = (weightPer > 99) ? 99 : weightPer
printResult(heightPer, weightPer, sex, age)
// End -->
</SCRIPT>
<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 6.35 KB -->
(C) Æliens
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
