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prevent javascript errors if frequency is NaN

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This commit is contained in:
Jakob Ketterl 2021-03-25 16:08:02 +01:00
parent 287a04be94
commit e1dd9d32f4
1 changed files with 5 additions and 1 deletions
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6
htdocs/lib/FrequencyDisplay.js
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@ -29,7 +29,11 @@ FrequencyDisplay.prototype.getPrefix = function() {
FrequencyDisplay.prototype.setFrequency = function(freq) { FrequencyDisplay.prototype.setFrequency = function(freq) {
this.frequency = freq; this.frequency = freq;
this.exponent = Math.floor(Math.log10(this.frequency) / 3) * 3; if (Number.isNaN(this.frequency)) {
this.exponent = 0
} else {
this.exponent = Math.floor(Math.log10(this.frequency) / 3) * 3;
}
var digits = Math.max(0, this.exponent - this.precision); var digits = Math.max(0, this.exponent - this.precision);
var formatted = (freq / 10 ** this.exponent).toLocaleString( var formatted = (freq / 10 ** this.exponent).toLocaleString(